1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Account, macro and variable handling.
3 *@ HOWTO add a new non-dynamic boolean or value option:
4 *@ - add an entry to nail.h:enum okeys
5 *@ - run make-okey-map.pl
6 *@ - update the manual!
7 *@ TODO . should be recursive environment based.
8 *@ TODO Otherwise, the `localopts' should be an attribute of the go.c
9 *@ TODO command context, so that it belongs to the execution context
10 *@ TODO we are running in, instead of being global data. See, e.g.,
11 *@ TODO the a_GO_SPLICE comment in go.c.
12 *@ TODO . once we can have non-fatal !0 returns for commands, we should
13 *@ TODO return error if "(environ)? unset" goes for non-existent.
15 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
16 * Copyright (c) 2012 - 2017 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
19 * Copyright (c) 1980, 1993
20 * The Regents of the University of California. All rights reserved.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. Neither the name of the University nor the names of its contributors
31 * may be used to endorse or promote products derived from this software
32 * without specific prior written permission.
34 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
35 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47 #define n_FILE accmacvar
49 #ifndef HAVE_AMALGAMATION
53 #if !defined HAVE_SETENV && !defined HAVE_PUTENV
54 # error Exactly one of HAVE_SETENV and HAVE_PUTENV
57 /* Positional parameter maximum (macro arguments, `vexpr' "splitifs") */
58 #define a_AMV_POSPAR_MAX SI16_MAX
60 /* Special "pseudo macro" that stabs you from the back */
61 #define a_AMV_MACKY_MACK ((struct a_amv_mac*)-1)
63 /* Note: changing the hash function must be reflected in `vexpr' "hash",
64 * because that is used by the hashtable creator scripts! */
65 #define a_AMV_PRIME HSHSIZE
66 #define a_AMV_NAME2HASH(N) n_torek_hash(N)
67 #define a_AMV_HASH2PRIME(H) ((H) % a_AMV_PRIME)
71 a_AMV_MF_ACCOUNT
= 1u<<0, /* This macro is an `account' */
72 a_AMV_MF_TYPE_MASK
= a_AMV_MF_ACCOUNT
,
73 a_AMV_MF_UNDEF
= 1u<<1, /* Unlink after lookup */
74 a_AMV_MF_DELETE
= 1u<<7, /* Delete in progress, free once refcnt==0 */
80 a_AMV_LF_SCOPE
= 1u<<0, /* Current scope `localopts' on */
81 a_AMV_LF_SCOPE_FIXATE
= 1u<<1, /* Ditto, but fixated */
82 a_AMV_LF_SCOPE_MASK
= a_AMV_LF_SCOPE
| a_AMV_LF_SCOPE_FIXATE
,
83 a_AMV_LF_CALL
= 1u<<2, /* `localopts' on for `call'ed scopes */
84 a_AMV_LF_CALL_FIXATE
= 1u<<3, /* Ditto, but fixated */
85 a_AMV_LF_CALL_MASK
= a_AMV_LF_CALL
| a_AMV_LF_CALL_FIXATE
,
86 a_AMV_LF_CALL_TO_SCOPE_SHIFT
= 2
89 /* make-okey-map.pl ensures that _VIRT implies _RDONLY and _NODEL, and that
90 * _IMPORT implies _ENV; it doesn't verify anything... */
93 a_AMV_VF_BOOL
= 1u<<0, /* ok_b_* */
94 a_AMV_VF_VIRT
= 1u<<1, /* "Stateless" automatic variable */
95 a_AMV_VF_NOLOPTS
= 1u<<2, /* May not be tracked by `localopts' */
96 a_AMV_VF_RDONLY
= 1u<<3, /* May not be set by user */
97 a_AMV_VF_NODEL
= 1u<<4, /* May not be deleted */
98 a_AMV_VF_NOTEMPTY
= 1u<<5, /* May not be assigned an empty value */
99 a_AMV_VF_NOCNTRLS
= 1u<<6, /* Value may not contain control characters */
100 a_AMV_VF_NUM
= 1u<<7, /* Value must be a 32-bit number */
101 a_AMV_VF_POSNUM
= 1u<<8, /* Value must be positive 32-bit number */
102 a_AMV_VF_LOWER
= 1u<<9, /* Values will be stored in a lowercase version */
103 a_AMV_VF_VIP
= 1u<<10, /* Wants _var_check_vips() evaluation */
104 a_AMV_VF_IMPORT
= 1u<<11, /* Import ONLY from environ (pre n_PSO_STARTED) */
105 a_AMV_VF_ENV
= 1u<<12, /* Update environment on change */
106 a_AMV_VF_I3VAL
= 1u<<13, /* Has an initial value */
107 a_AMV_VF_DEFVAL
= 1u<<14, /* Has a default value */
108 a_AMV_VF_LINKED
= 1u<<15, /* `environ' linked */
109 a_AMV_VF__MASK
= (1u<<(15+1)) - 1
112 /* We support some special parameter names for one(+)-letter variable names;
113 * note these have counterparts in the code that manages shell expansion!
114 * All these special variables are solely backed by n_var_vlook(), and besides
115 * there is only a_amv_var_revlookup() which knows about them */
116 enum a_amv_var_special_category
{
117 a_AMV_VSC_NONE
, /* Normal variable, no special treatment */
118 a_AMV_VSC_GLOBAL
, /* ${[?!]} are specially mapped, but global */
119 a_AMV_VSC_MULTIPLEX
, /* ${^.*} circumflex accent multiplexer */
120 a_AMV_VSC_POSPAR
, /* ${[1-9][0-9]*} positional parameters */
121 a_AMV_VSC_POSPAR_ENV
/* ${[*@#]} positional parameter support variables */
124 enum a_amv_var_special_type
{
126 a_AMV_VST_QM
, /* ? */
127 a_AMV_VST_EM
, /* ! */
129 /* This is special in that it is a multiplex indicator, the ^ is followed by
130 * a normal variable */
131 a_AMV_VST_CACC
, /* ^ (circumflex accent) */
132 /* _VSC_POSPAR_ENV */
133 a_AMV_VST_STAR
, /* * */
134 a_AMV_VST_AT
, /* @ */
135 a_AMV_VST_NOSIGN
/* # */
138 enum a_amv_var_vip_mode
{
145 ui16_t app_maxcount
; /* == slots in .app_dat */
146 ui16_t app_count
; /* Maximum a_AMV_POSPAR_MAX */
147 ui16_t app_idx
; /* `shift' moves this one, decs .app_count */
148 bool_t app_not_heap
; /* .app_dat stuff not on dynamically allocated */
150 char const **app_dat
; /* NULL terminated (for "$@" explosion support) */
152 n_CTA(a_AMV_POSPAR_MAX
<= SI16_MAX
, "Limit exceeds datatype capabilities");
155 struct a_amv_mac
*am_next
;
156 ui32_t am_maxlen
; /* of any line in .am_line_dat */
157 ui32_t am_line_cnt
; /* of *.am_line_dat (but NULL terminated) */
158 struct a_amv_mac_line
**am_line_dat
; /* TODO use deque? */
159 struct a_amv_var
*am_lopts
; /* `localopts' unroll list */
160 ui32_t am_refcnt
; /* 0-based for `un{account,define}' purposes */
161 ui8_t am_flags
; /* enum a_amv_mac_flags */
162 char am_name
[n_VFIELD_SIZE(3)]; /* of this macro */
164 n_CTA(a_AMV_MF__MAX
<= UI8_MAX
, "Enumeration excesses storage datatype");
166 struct a_amv_mac_line
{
168 ui32_t aml_prespc
; /* Number of leading SPC, for display purposes */
169 char aml_dat
[n_VFIELD_SIZE(0)];
172 struct a_amv_mac_call_args
{
173 char const *amca_name
; /* For MACKY_MACK, this is *0*! */
174 struct a_amv_mac
*amca_amp
; /* "const", but for am_refcnt */
175 struct a_amv_var
**amca_unroller
;
176 void (*amca_hook_pre
)(void *);
179 bool_t amca_ps_hook_mask
;
180 bool_t amca_no_xcall
; /* We want n_GO_INPUT_NO_XCALL for this */
182 struct a_amv_pospar amca_pospar
;
185 struct a_amv_lostack
{
186 struct a_amv_lostack
*as_global_saved
; /* Saved global XXX due to jump */
187 struct a_amv_mac_call_args
*as_amcap
;
188 struct a_amv_lostack
*as_up
; /* Outer context */
189 struct a_amv_var
*as_lopts
;
190 ui8_t as_loflags
; /* enum a_amv_mac_loflags */
195 struct a_amv_var
*av_link
;
198 char *av_env
; /* Actively managed putenv(3) memory */
200 ui16_t av_flags
; /* enum a_amv_var_flags */
201 char av_name
[n_VFIELD_SIZE(6)];
203 n_CTA(a_AMV_VF__MASK
<= UI16_MAX
, "Enumeration excesses storage datatype");
205 struct a_amv_var_map
{
208 ui16_t avm_flags
; /* enum a_amv_var_flags */
210 n_CTA(a_AMV_VF__MASK
<= UI16_MAX
, "Enumeration excesses storage datatype");
212 struct a_amv_var_virt
{
215 struct a_amv_var
const *avv_var
;
218 struct a_amv_var_defval
{
221 char const *avdv_value
; /* Only for !BOOL (otherwise plain existence) */
224 struct a_amv_var_carrier
{
225 char const *avc_name
;
228 struct a_amv_var
*avc_var
;
229 struct a_amv_var_map
const *avc_map
;
232 ui8_t avc_special_cat
;
233 /* Numerical parameter name if .avc_special_cat=a_AMV_VSC_POSPAR,
234 * otherwise a enum a_amv_var_special_type */
235 ui16_t avc_special_prop
;
238 /* Include constant make-okey-map.pl output, and the generated version data */
239 #include "gen-version.h"
240 #include "gen-okeys.h"
242 /* The currently active account */
243 static struct a_amv_mac
*a_amv_acc_curr
;
245 static struct a_amv_mac
*a_amv_macs
[a_AMV_PRIME
]; /* TODO dynamically spaced */
247 /* Unroll list of currently running macro stack */
248 static struct a_amv_lostack
*a_amv_lopts
;
250 static struct a_amv_var
*a_amv_vars
[a_AMV_PRIME
]; /* TODO dynamically spaced */
252 /* Global (i.e., non-local) a_AMV_VSC_POSPAR stack */
253 static struct a_amv_pospar a_amv_pospar
;
255 /* TODO We really deserve localopts support for *folder-hook*s, so hack it in
256 * TODO today via a static lostack, it should be a field in mailbox, once that
257 * TODO is a real multi-instance object */
258 static struct a_amv_var
*a_amv_folder_hook_lopts
;
260 /* TODO Rather ditto (except for storage -> cmd_ctx), compose hooks */
261 static struct a_amv_var
*a_amv_compose_lopts
;
263 /* Lookup for macros/accounts: if newamp is not NULL it will be linked in the
264 * map, if _MF_UNDEF is set a possibly existing entry will be removed (first).
265 * Returns NULL if a lookup failed, or if newamp was set, the found entry in
266 * plain lookup cases or when _UNDEF was performed on a currently active entry
267 * (the entry will have been unlinked, and the _MF_DELETE will be honoured once
268 * the reference count reaches 0), and (*)-1 if an _UNDEF was performed */
269 static struct a_amv_mac
*a_amv_mac_lookup(char const *name
,
270 struct a_amv_mac
*newamp
, enum a_amv_mac_flags amf
);
272 /* `call', `call_if' (and `xcall' via go.c -> c_call()) */
273 static int a_amv_mac_call(void *v
, bool_t silent_nexist
);
275 /* Execute a macro; amcap must reside in LOFI memory */
276 static bool_t
a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
);
278 static void a_amv_mac__finalize(void *vp
);
280 /* User display helpers */
281 static bool_t
a_amv_mac_show(enum a_amv_mac_flags amf
);
283 /* _def() returns error for faulty definitions and already existing * names,
284 * _undef() returns error if a named thing doesn't exist */
285 static bool_t
a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
);
286 static bool_t
a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
);
289 static void a_amv_mac_free(struct a_amv_mac
*amp
);
291 /* Update replay-log */
292 static void a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
293 struct a_amv_var
*oavp
);
294 static void a_amv_lopts_unroll(struct a_amv_var
**avpp
);
296 /* Special cased value string allocation */
297 static char *a_amv_var_copy(char const *str
);
298 static void a_amv_var_free(char *cp
);
300 /* Check for special housekeeping. _VIP_SET_POST and _VIP_CLEAR do not fail
301 * (or propagate errors), _VIP_SET_PRE may and should case abortion */
302 static bool_t
a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
,
303 enum okeys okey
, char const *val
);
305 /* _VF_NOCNTRLS, _VF_NUM / _VF_POSNUM */
306 static bool_t
a_amv_var_check_nocntrls(char const *val
);
307 static bool_t
a_amv_var_check_num(char const *val
, bool_t posnum
);
309 /* If a variable name begins with a lowercase-character and contains at
310 * least one '@', it is converted to all-lowercase. This is necessary
311 * for lookups of names based on email addresses.
312 * Following the standard, only the part following the last '@' should
313 * be lower-cased, but practice has established otherwise here */
314 static char const *a_amv_var_canonify(char const *vn
);
316 /* Try to reverse lookup an option name to an enum okeys mapping.
317 * Updates .avc_name and .avc_hash; .avc_map is NULL if none found */
318 static bool_t
a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
,
321 /* Lookup a variable from .avc_(map|name|hash), return whether it was found.
322 * Sets .avc_prime; .avc_var is NULL if not found.
323 * Here it is where we care for _I3VAL and _DEFVAL, too.
324 * An _I3VAL will be "consumed" as necessary anyway, but it won't be used to
325 * create a new variable if i3val_nonew is true; if i3val_nonew is TRUM1 then
326 * we set .avc_var to -1 and return true if that was the case, otherwise we'll
327 * return FAL0, then! */
328 static bool_t
a_amv_var_lookup(struct a_amv_var_carrier
*avcp
,
331 /* Lookup functions for special category variables, _pospar drives all
332 * positional parameter etc. special categories */
333 static char const *a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
);
334 static char const *a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
);
335 static char const *a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
);
337 /* Set var from .avc_(map|name|hash), return success */
338 static bool_t
a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
341 static bool_t
a_amv_var__putenv(struct a_amv_var_carrier
*avcp
,
342 struct a_amv_var
*avp
);
344 /* Clear var from .avc_(map|name|hash); sets .avc_var=NULL, return success */
345 static bool_t
a_amv_var_clear(struct a_amv_var_carrier
*avcp
, bool_t force_env
);
347 static bool_t
a_amv_var__clearenv(char const *name
, char *value
);
349 /* List all variables */
350 static void a_amv_var_show_all(void);
352 static int a_amv_var__show_cmp(void const *s1
, void const *s2
);
354 /* Actually do print one, return number of lines written */
355 static size_t a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
);
357 /* Shared c_set() and c_environ():set impl, return success */
358 static bool_t
a_amv_var_c_set(char **ap
, bool_t issetenv
);
360 static struct a_amv_mac
*
361 a_amv_mac_lookup(char const *name
, struct a_amv_mac
*newamp
,
362 enum a_amv_mac_flags amf
){
363 struct a_amv_mac
*amp
, **ampp
;
365 enum a_amv_mac_flags save_amf
;
369 amf
&= a_AMV_MF_TYPE_MASK
;
370 h
= a_AMV_NAME2HASH(name
);
371 h
= a_AMV_HASH2PRIME(h
);
372 ampp
= &a_amv_macs
[h
];
374 for(amp
= *ampp
; amp
!= NULL
; ampp
= &(*ampp
)->am_next
, amp
= amp
->am_next
){
375 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
&&
376 !strcmp(amp
->am_name
, name
)){
377 if(n_LIKELY((save_amf
& a_AMV_MF_UNDEF
) == 0))
380 *ampp
= amp
->am_next
;
382 if(amp
->am_refcnt
> 0){
383 amp
->am_flags
|= a_AMV_MF_DELETE
;
384 if(n_poption
& n_PO_D_V
)
385 n_err(_("Delayed deletion of currently active %s: %s\n"),
386 (amp
->am_flags
& a_AMV_MF_ACCOUNT
? "account" : "define"),
390 amp
= (struct a_amv_mac
*)-1;
397 ampp
= &a_amv_macs
[h
];
398 newamp
->am_next
= *ampp
;
408 a_amv_mac_call(void *v
, bool_t silent_nexist
){
409 struct a_amv_mac
*amp
;
412 struct n_cmd_arg_ctx
*cacp
;
417 if(cacp
->cac_no
== 0){
418 n_err(_("Synopsis: call(_if)?: name [:<arguments>:]\n"));
419 n_pstate_err_no
= n_ERR_INVAL
;
424 name
= cacp
->cac_arg
->ca_arg
.ca_str
.s
;
426 if(n_UNLIKELY(cacp
->cac_no
> a_AMV_POSPAR_MAX
)){
427 n_err(_("Too many arguments to macro `call': %s\n"), name
);
428 n_pstate_err_no
= n_ERR_OVERFLOW
;
430 }else if(n_UNLIKELY((amp
= a_amv_mac_lookup(name
, NULL
, a_AMV_MF_NONE
)
433 n_err(_("Undefined macro called: %s\n"), n_shexp_quote_cp(name
, FAL0
));
434 n_pstate_err_no
= n_ERR_NOENT
;
438 struct a_amv_mac_call_args
*amcap
;
441 argc
= cacp
->cac_no
+ 1;
442 amcap
= n_lofi_alloc(sizeof *amcap
+ (argc
* sizeof *argv
));
443 argv
= (void*)&amcap
[1];
445 for(argc
= 0; (cacp
->cac_arg
= cacp
->cac_arg
->ca_next
) != NULL
; ++argc
)
446 argv
[argc
] = cacp
->cac_arg
->ca_arg
.ca_str
.s
;
449 memset(amcap
, 0, sizeof *amcap
);
450 amcap
->amca_name
= name
;
451 amcap
->amca_amp
= amp
;
452 if(a_amv_lopts
!= NULL
)
453 amcap
->amca_loflags
= (a_amv_lopts
->as_loflags
& a_AMV_LF_CALL_MASK
454 ) >> a_AMV_LF_CALL_TO_SCOPE_SHIFT
;
456 amcap
->amca_pospar
.app_count
= (ui16_t
)argc
;
457 amcap
->amca_pospar
.app_not_heap
= TRU1
;
458 amcap
->amca_pospar
.app_dat
= argv
;
461 (void)a_amv_mac_exec(amcap
);
470 a_amv_mac_exec(struct a_amv_mac_call_args
*amcap
){
471 struct a_amv_lostack
*losp
;
472 struct a_amv_mac_line
**amlp
;
473 char **args_base
, **args
;
474 struct a_amv_mac
*amp
;
478 amp
= amcap
->amca_amp
;
479 assert(amp
!= NULL
&& amp
!= a_AMV_MACKY_MACK
);
481 /* XXX Unfortunately we yet need to dup the macro lines! :( */
482 args_base
= args
= n_alloc(sizeof(*args
) * (amp
->am_line_cnt
+1));
483 for(amlp
= amp
->am_line_dat
; *amlp
!= NULL
; ++amlp
)
484 *(args
++) = sbufdup((*amlp
)->aml_dat
, (*amlp
)->aml_len
);
487 losp
= n_lofi_alloc(sizeof *losp
);
488 losp
->as_global_saved
= a_amv_lopts
;
489 if((losp
->as_amcap
= amcap
)->amca_unroller
== NULL
){
490 losp
->as_up
= losp
->as_global_saved
;
491 losp
->as_lopts
= NULL
;
494 losp
->as_lopts
= *amcap
->amca_unroller
;
496 losp
->as_loflags
= amcap
->amca_loflags
;
499 if(amcap
->amca_hook_pre
!= NULL
)
500 n_PS_ROOT_BLOCK((*amcap
->amca_hook_pre
)(amcap
->amca_hook_arg
));
501 rv
= n_go_macro((n_GO_INPUT_NONE
|
502 (amcap
->amca_no_xcall
? n_GO_INPUT_NO_XCALL
: 0)),
503 amp
->am_name
, args_base
, &a_amv_mac__finalize
, losp
);
509 a_amv_mac__finalize(void *vp
){
510 struct a_amv_mac
*amp
;
511 struct a_amv_mac_call_args
*amcap
;
512 struct a_amv_lostack
*losp
;
516 a_amv_lopts
= losp
->as_global_saved
;
518 amcap
= losp
->as_amcap
;
520 if(!amcap
->amca_pospar
.app_not_heap
&& amcap
->amca_pospar
.app_maxcount
> 0){
523 for(i
= amcap
->amca_pospar
.app_maxcount
; i
-- != 0;)
524 n_free(n_UNCONST(amcap
->amca_pospar
.app_dat
[i
]));
525 n_free(amcap
->amca_pospar
.app_dat
);
528 if(amcap
->amca_unroller
== NULL
){
529 if(losp
->as_lopts
!= NULL
)
530 a_amv_lopts_unroll(&losp
->as_lopts
);
532 *amcap
->amca_unroller
= losp
->as_lopts
;
534 if(amcap
->amca_ps_hook_mask
)
535 n_pstate
&= ~n_PS_HOOK_MASK
;
537 if((amp
= amcap
->amca_amp
) != a_AMV_MACKY_MACK
&& amp
!= NULL
&&
538 --amp
->am_refcnt
== 0 && (amp
->am_flags
& a_AMV_MF_DELETE
))
547 a_amv_mac_show(enum a_amv_mac_flags amf
){
548 size_t lc
, mc
, ti
, i
;
556 if((fp
= Ftmp(NULL
, "deflist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
558 n_perr(_("Can't create temporary file for `define' or `account' listing"),
563 amf
&= a_AMV_MF_TYPE_MASK
;
564 typestr
= (amf
& a_AMV_MF_ACCOUNT
) ? "account" : "define";
566 for(lc
= mc
= ti
= 0; ti
< a_AMV_PRIME
; ++ti
){
567 struct a_amv_mac
*amp
;
569 for(amp
= a_amv_macs
[ti
]; amp
!= NULL
; amp
= amp
->am_next
){
570 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
571 struct a_amv_mac_line
**amlpp
;
578 fprintf(fp
, "%s %s {\n", typestr
, amp
->am_name
);
579 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++lc
, ++amlpp
){
580 for(i
= (*amlpp
)->aml_prespc
; i
> 0; --i
)
582 fputs((*amlpp
)->aml_dat
, fp
);
591 page_or_print(fp
, lc
);
593 rv
= (ferror(fp
) == 0);
601 a_amv_mac_def(char const *name
, enum a_amv_mac_flags amf
){
603 ui32_t line_cnt
, maxlen
;
605 struct linelist
*ll_next
;
606 struct a_amv_mac_line
*ll_amlp
;
607 } *llp
, *ll_head
, *ll_tail
;
608 union {size_t s
; int i
; ui32_t ui
; size_t l
;} n
;
609 struct a_amv_mac
*amp
;
613 memset(&line
, 0, sizeof line
);
617 /* TODO We should have our input state machine which emits Line events,
618 * TODO and hook different consumers dependent on our content, as stated
619 * TODO in i think lex_input; */
620 /* Read in the lines which form the macro content */
621 for(ll_tail
= ll_head
= NULL
, line_cnt
= maxlen
= 0;;){
625 n
.i
= n_go_input(n_GO_INPUT_CTX_DEFAULT
| n_GO_INPUT_NL_ESC
, n_empty
,
626 &line
.s
, &line
.l
, NULL
, NULL
);
630 n_err(_("Unterminated %s definition: %s\n"),
631 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
635 /* Trim WS, remember amount of leading spaces for display purposes */
636 for(cp
= line
.s
, leaspc
= 0; n
.ui
> 0; ++cp
, --n
.ui
)
638 leaspc
= (leaspc
+ 8u) & ~7u;
643 for(; n
.ui
> 0 && spacechar(cp
[n
.ui
- 1]); --n
.ui
)
648 maxlen
= n_MAX(maxlen
, n
.ui
);
651 /* Is is the closing brace? */
655 if(n_LIKELY(++line_cnt
< UI32_MAX
)){
656 struct a_amv_mac_line
*amlp
;
658 llp
= n_autorec_alloc(sizeof *llp
);
662 ll_tail
->ll_next
= llp
;
665 llp
->ll_amlp
= amlp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_mac_line
,
667 amlp
->aml_len
= n
.ui
-1;
668 amlp
->aml_prespc
= leaspc
;
669 memcpy(amlp
->aml_dat
, cp
, n
.ui
);
671 n_err(_("Too much content in %s definition: %s\n"),
672 (amf
& a_AMV_MF_ACCOUNT
? "account" : "macro"), name
);
677 /* Create the new macro */
678 n
.s
= strlen(name
) +1;
679 amp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_mac
, am_name
) + n
.s
);
680 memset(amp
, 0, n_VSTRUCT_SIZEOF(struct a_amv_mac
, am_name
));
681 amp
->am_maxlen
= maxlen
;
682 amp
->am_line_cnt
= line_cnt
;
684 memcpy(amp
->am_name
, name
, n
.s
);
686 struct a_amv_mac_line
**amlpp
;
688 amp
->am_line_dat
= amlpp
= n_alloc(sizeof(*amlpp
) * ++line_cnt
);
689 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
690 *amlpp
++ = llp
->ll_amlp
;
694 /* Create entry, replace a yet existing one as necessary */
695 a_amv_mac_lookup(name
, amp
, amf
| a_AMV_MF_UNDEF
);
704 for(llp
= ll_head
; llp
!= NULL
; llp
= llp
->ll_next
)
708 * free(amp->am_line_dat);
715 a_amv_mac_undef(char const *name
, enum a_amv_mac_flags amf
){
716 struct a_amv_mac
*amp
;
722 if(n_LIKELY(name
[0] != '*' || name
[1] != '\0')){
723 if((amp
= a_amv_mac_lookup(name
, NULL
, amf
| a_AMV_MF_UNDEF
)) == NULL
){
724 n_err(_("%s not defined: %s\n"),
725 (amf
& a_AMV_MF_ACCOUNT
? "Account" : "Macro"), name
);
729 struct a_amv_mac
**ampp
, *lamp
;
731 for(ampp
= a_amv_macs
; PTRCMP(ampp
, <, &a_amv_macs
[n_NELEM(a_amv_macs
)]);
733 for(lamp
= NULL
, amp
= *ampp
; amp
!= NULL
;){
734 if((amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == amf
){
735 /* xxx Expensive but rare: be simple */
736 a_amv_mac_lookup(amp
->am_name
, NULL
, amf
| a_AMV_MF_UNDEF
);
737 amp
= (lamp
== NULL
) ? *ampp
: lamp
->am_next
;
749 a_amv_mac_free(struct a_amv_mac
*amp
){
750 struct a_amv_mac_line
**amlpp
;
753 for(amlpp
= amp
->am_line_dat
; *amlpp
!= NULL
; ++amlpp
)
755 free(amp
->am_line_dat
);
761 a_amv_lopts_add(struct a_amv_lostack
*alp
, char const *name
,
762 struct a_amv_var
*oavp
){
763 struct a_amv_var
*avp
;
767 /* Propagate unrolling up the stack, as necessary */
770 if(alp
->as_loflags
& a_AMV_LF_SCOPE_MASK
)
772 if((alp
= alp
->as_up
) == NULL
)
776 /* Check whether this variable is handled yet XXX Boost: ID check etc.!! */
777 for(avp
= alp
->as_lopts
; avp
!= NULL
; avp
= avp
->av_link
)
778 if(!strcmp(avp
->av_name
, name
))
781 nl
= strlen(name
) +1;
782 vl
= (oavp
!= NULL
) ? strlen(oavp
->av_value
) +1 : 0;
783 avp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + nl
+ vl
);
784 avp
->av_link
= alp
->as_lopts
;
786 memcpy(avp
->av_name
, name
, nl
);
788 avp
->av_value
= NULL
;
794 avp
->av_value
= &avp
->av_name
[nl
];
795 avp
->av_flags
= oavp
->av_flags
;
796 memcpy(avp
->av_value
, oavp
->av_value
, vl
);
798 avp
->av_env
= (oavp
->av_env
== NULL
) ? NULL
: sstrdup(oavp
->av_env
);
806 a_amv_lopts_unroll(struct a_amv_var
**avpp
){
807 struct a_amv_lostack
*save_alp
;
808 struct a_amv_var
*x
, *avp
;
814 save_alp
= a_amv_lopts
;
819 n_PS_ROOT_BLOCK(n_var_vset(x
->av_name
, (uintptr_t)x
->av_value
));
822 a_amv_lopts
= save_alp
;
827 a_amv_var_copy(char const *str
){
833 news
= n_UNCONST(n_empty
);
834 else if(str
[1] == '\0'){
836 news
= n_UNCONST(n_1
);
837 else if(str
[0] == '0')
838 news
= n_UNCONST(n_0
);
841 }else if(str
[2] == '\0' && str
[0] == '-' && str
[1] == '1')
842 news
= n_UNCONST(n_m1
);
845 len
= strlen(str
) +1;
847 memcpy(news
, str
, len
);
854 a_amv_var_free(char *cp
){
856 if(cp
[0] != '\0' && cp
!= n_0
&& cp
!= n_1
&& cp
!= n_m1
)
862 a_amv_var_check_vips(enum a_amv_var_vip_mode avvm
, enum okeys okey
,
869 if(avvm
== a_AMV_VIP_SET_PRE
){
874 /* Note this gets called from main.c during initialization, and they
875 * simply set this to pw_dir as a fallback: don't verify _that_ call.
877 if(!(n_pstate
& n_PS_ROOT
) && !n_is_dir(val
, TRUM1
)){
878 n_err(_("$HOME is not a directory or not accessible: %s\n"),
879 n_shexp_quote_cp(val
, FAL0
));
884 if(!n_is_dir(val
, TRU1
)){
885 n_err(_("$TMPDIR is not a directory or not accessible: %s\n"),
886 n_shexp_quote_cp(val
, FAL0
));
894 n_idec_ui64_cp(&uib
, val
, 0, NULL
);
895 if(uib
& ~0777u){ /* (is valid _VF_POSNUM) */
896 n_err(_("Invalid *umask* setting: %s\n"), val
);
902 }else if(avvm
== a_AMV_VIP_SET_POST
){
910 n_poption
|= n_PO_DEBUG
;
913 /* Invalidate any resolved folder then, too
916 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
921 x_b
= x
= n_autorec_alloc(strlen(val
) +1);
922 while((c
= *val
++) != '\0')
926 n_PS_ROOT_BLOCK(ok_vset(ifs_ws
, x_b
));
928 #ifdef HAVE_SETLOCALE
936 n_poption
|= n_PO_MEMDEBUG
;
938 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
939 if(!(n_pstate
& n_PS_ROOT
))
940 n_PS_ROOT_BLOCK(ok_bset(posix
));
942 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
943 if(!(n_pstate
& n_PS_ROOT
))
944 n_PS_ROOT_BLOCK(ok_bset(POSIXLY_CORRECT
));
946 case ok_b_skipemptybody
:
947 n_poption
|= n_PO_E_FLAG
;
949 case ok_b_typescript_mode
:
950 ok_bset(colour_disable
);
951 ok_bset(line_editor_disable
);
952 if(!(n_psonce
& n_PSO_STARTED
))
953 ok_bset(termcap_disable
);
959 n_idec_ui64_cp(&uib
, val
, 0, NULL
);
964 n_poption
|= (n_poption
& n_PO_VERB
) ? n_PO_VERBVERB
: n_PO_VERB
;
975 n_poption
&= ~n_PO_DEBUG
;
978 /* Invalidate any resolved folder then, too
981 n_PS_ROOT_BLOCK(ok_vclear(folder_resolved
));
984 n_poption
&= ~n_PO_MEMDEBUG
;
986 case ok_b_POSIXLY_CORRECT
: /* <-> *posix* */
987 if(!(n_pstate
& n_PS_ROOT
))
988 n_PS_ROOT_BLOCK(ok_bclear(posix
));
990 case ok_b_posix
: /* <-> $POSIXLY_CORRECT */
991 if(!(n_pstate
& n_PS_ROOT
))
992 n_PS_ROOT_BLOCK(ok_bclear(POSIXLY_CORRECT
));
994 case ok_b_skipemptybody
:
995 n_poption
&= ~n_PO_E_FLAG
;
998 n_poption
&= ~(n_PO_VERB
| n_PO_VERBVERB
);
1007 a_amv_var_check_nocntrls(char const *val
){
1011 while((c
= *val
++) != '\0')
1019 a_amv_var_check_num(char const *val
, bool_t posnum
){
1020 /* TODO The internal/environment variables which are num= or posnum= should
1021 * TODO gain special lookup functions, or the return should be void* and
1022 * TODO castable to integer; i.e. no more strtoX() should be needed.
1023 * TODO I.e., the result of this function should instead be stored */
1029 if(*val
!= '\0'){ /* Would be _VF_NOTEMPTY if not allowed */
1031 enum n_idec_state ids
;
1033 ids
= n_idec_cp(&uib
, val
, 0,
1034 (posnum
? n_IDEC_MODE_SIGNED_TYPE
: n_IDEC_MODE_NONE
), NULL
);
1035 if((ids
& (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
1036 ) != n_IDEC_STATE_CONSUMED
)
1038 /* TODO Unless we store integers we need to look and forbid, because
1039 * TODO callee may not be able to swallow, e.g., "-1" */
1040 if(posnum
&& (ids
& n_IDEC_STATE_SEEN_MINUS
))
1048 a_amv_var_canonify(char const *vn
){
1050 if(!upperchar(*vn
)){
1053 for(vp
= vn
; *vp
!= '\0' && *vp
!= '@'; ++vp
)
1055 vn
= (*vp
== '@') ? i_strdup(vn
) : vn
;
1062 a_amv_var_revlookup(struct a_amv_var_carrier
*avcp
, char const *name
){
1064 struct a_amv_var_map
const *avmp
;
1068 /* It may be a special a.k.a. macro-local or one-letter parameter */
1070 if(n_UNLIKELY(digitchar(c
))){
1071 /* (Inline dec. atoi, ugh) */
1072 for(j
= (ui8_t
)c
- '0', i
= 1;; ++i
){
1077 goto jno_special_param
;
1078 j
= j
* 10 + (ui8_t
)c
- '0';
1080 if(j
<= a_AMV_POSPAR_MAX
){
1081 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR
;
1082 goto jspecial_param
;
1084 }else if(n_UNLIKELY(name
[1] == '\0')){
1088 avcp
->avc_special_cat
= a_AMV_VSC_GLOBAL
;
1089 j
= (c
== '?') ? a_AMV_VST_QM
: a_AMV_VST_EM
;
1090 goto jspecial_param
;
1094 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1096 goto jspecial_param
;
1098 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1100 goto jspecial_param
;
1102 avcp
->avc_special_cat
= a_AMV_VSC_POSPAR_ENV
;
1103 j
= a_AMV_VST_NOSIGN
;
1104 goto jspecial_param
;
1110 avcp
->avc_special_cat
= a_AMV_VSC_MULTIPLEX
;
1112 goto jspecial_param
;
1115 /* Normal reverse lookup, walk over the hashtable */
1117 avcp
->avc_special_cat
= a_AMV_VSC_NONE
;
1118 avcp
->avc_name
= name
= a_amv_var_canonify(name
);
1119 avcp
->avc_hash
= hash
= a_AMV_NAME2HASH(name
);
1121 for(i
= hash
% a_AMV_VAR_REV_PRIME
, j
= 0; j
<= a_AMV_VAR_REV_LONGEST
; ++j
){
1124 if((x
= a_amv_var_revmap
[i
]) == a_AMV_VAR_REV_ILL
)
1127 avmp
= &a_amv_var_map
[x
];
1128 if(avmp
->avm_hash
== hash
&&
1129 !strcmp(&a_amv_var_names
[avmp
->avm_keyoff
], name
)){
1130 avcp
->avc_map
= avmp
;
1131 avcp
->avc_okey
= (enum okeys
)x
;
1135 if(++i
== a_AMV_VAR_REV_PRIME
){
1136 #ifdef a_AMV_VAR_REV_WRAPAROUND
1143 avcp
->avc_map
= NULL
;
1147 return (avcp
!= NULL
);
1149 /* All these are mapped to *--special-param* */
1151 avcp
->avc_name
= name
;
1152 avcp
->avc_special_prop
= (ui16_t
)j
;
1153 avmp
= &a_amv_var_map
[a_AMV_VAR__SPECIAL_PARAM_MAP_IDX
];
1154 avcp
->avc_hash
= avmp
->avm_hash
;
1155 avcp
->avc_map
= avmp
;
1156 avcp
->avc_okey
= ok_v___special_param
;
1161 a_amv_var_lookup(struct a_amv_var_carrier
*avcp
, bool_t i3val_nonew
){
1164 struct a_amv_var_map
const *avmp
;
1165 struct a_amv_var
*avp
;
1169 struct a_amv_var
**avpp
, *lavp
;
1171 avpp
= &a_amv_vars
[avcp
->avc_prime
= a_AMV_HASH2PRIME(avcp
->avc_hash
)];
1173 for(lavp
= NULL
, avp
= *avpp
; avp
!= NULL
; lavp
= avp
, avp
= avp
->av_link
)
1174 if(!strcmp(avp
->av_name
, avcp
->avc_name
)){
1175 /* Relink as head, hope it "sorts on usage" over time.
1176 * _clear() relies on this behaviour */
1178 lavp
->av_link
= avp
->av_link
;
1179 avp
->av_link
= *avpp
;
1186 /* If this is not an assembled variable we need to consider some special
1187 * initialization cases and eventually create the variable anew */
1188 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1189 /* Does it have an import-from-environment flag? */
1190 if(n_UNLIKELY((avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
)) != 0)){
1191 if(n_LIKELY((cp
= getenv(avcp
->avc_name
)) != NULL
)){
1192 /* May be better not to use that one, though? */
1193 /* TODO Outsource the tests into a _shared_ test function! */
1194 bool_t isempty
, isbltin
;
1196 isempty
= (*cp
== '\0' &&
1197 (avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) != 0);
1198 isbltin
= ((avmp
->avm_flags
& (a_AMV_VF_I3VAL
| a_AMV_VF_DEFVAL
)
1201 if(n_UNLIKELY(isempty
)){
1202 n_err(_("Environment variable must not be empty: %s\n"),
1206 }else if(n_LIKELY(*cp
!= '\0')){
1207 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOCNTRLS
) &&
1208 !a_amv_var_check_nocntrls(cp
))){
1209 n_err(_("Ignoring environment, control characters "
1210 "invalid in variable: %s\n"), avcp
->avc_name
);
1213 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1214 !a_amv_var_check_num(cp
, FAL0
))){
1215 n_err(_("Environment variable value not a number "
1216 "or out of range: %s\n"), avcp
->avc_name
);
1219 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1220 !a_amv_var_check_num(cp
, TRU1
))){
1221 n_err(_("Environment variable value not a number, "
1222 "negative or out of range: %s\n"), avcp
->avc_name
);
1231 /* A first-time init switch is to be handled now and here */
1232 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_I3VAL
) != 0)){
1233 static struct a_amv_var_defval
const **arr
,
1234 *arr_base
[a_AMV_VAR_I3VALS_CNT
+1];
1238 arr
[i
= a_AMV_VAR_I3VALS_CNT
] = NULL
;
1240 arr
[i
] = &a_amv_var_i3vals
[i
];
1243 for(i
= 0; arr
[i
] != NULL
; ++i
)
1244 if(arr
[i
]->avdv_okey
== avcp
->avc_okey
){
1245 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_empty
1246 : arr
[i
]->avdv_value
;
1247 /* Remove this entry, hope entire block becomes no-op asap */
1249 arr
[i
] = arr
[i
+ 1];
1250 while(arr
[i
++] != NULL
);
1254 if(i3val_nonew
== TRUM1
)
1255 avp
= (struct a_amv_var
*)-1;
1260 /* The virtual variables */
1261 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIRT
) != 0)){
1262 for(i
= 0; i
< a_AMV_VAR_VIRTS_CNT
; ++i
)
1263 if(a_amv_var_virts
[i
].avv_okey
== avcp
->avc_okey
){
1264 avp
= n_UNCONST(a_amv_var_virts
[i
].avv_var
);
1270 /* Place this last because once it is set first the variable will never
1271 * be removed again and thus match in the first block above */
1273 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0){
1274 for(i
= 0; i
< a_AMV_VAR_DEFVALS_CNT
; ++i
)
1275 if(a_amv_var_defvals
[i
].avdv_okey
== avcp
->avc_okey
){
1276 cp
= (avmp
->avm_flags
& a_AMV_VF_BOOL
) ? n_empty
1277 : a_amv_var_defvals
[i
].avdv_value
;
1286 avcp
->avc_var
= avp
;
1288 return (avp
!= NULL
);
1291 /* E.g., $TMPDIR may be set to non-existent, so we need to be able to catch
1292 * that and redirect to a possible default value */
1293 if((avmp
->avm_flags
& a_AMV_VF_VIP
) &&
1294 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, cp
)){
1296 if(avmp
->avm_flags
& (a_AMV_VF_IMPORT
| a_AMV_VF_ENV
))
1297 unsetenv(avcp
->avc_name
);
1299 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0)
1303 struct a_amv_var
**avpp
;
1306 l
= strlen(avcp
->avc_name
) +1;
1308 avp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
) + l
);
1309 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1311 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1315 avp
->av_flags
= avmp
->avm_flags
;
1316 avp
->av_value
= a_amv_var_copy(cp
);
1318 if(avp
->av_flags
& a_AMV_VF_ENV
)
1319 a_amv_var__putenv(avcp
, avp
);
1320 if(avmp
->avm_flags
& a_AMV_VF_VIP
)
1321 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, cp
);
1327 a_amv_var_vsc_global(struct a_amv_var_carrier
*avcp
){
1331 struct a_amv_var_map
const *avmp
;
1334 /* Not function local, TODO but lazy evaluted for now */
1335 if(avcp
->avc_special_prop
== a_AMV_VST_QM
){
1336 avmp
= &a_amv_var_map
[a_AMV_VAR__QM_MAP_IDX
];
1337 avcp
->avc_okey
= ok_v___qm
;
1338 ep
= &n_pstate_ex_no
;
1340 avmp
= &a_amv_var_map
[a_AMV_VAR__EM_MAP_IDX
];
1341 avcp
->avc_okey
= ok_v___em
;
1342 ep
= &n_pstate_err_no
;
1345 /* XXX Oh heaven, we are responsible to ensure that $?/! is up-to-date
1346 * TODO we could num=1 ok_v___[qe]m, but the thing is still a string
1347 * TODO and thus conversion takes places over and over again; also
1348 * TODO for now that would have to occur before we set _that_ value
1349 * TODO so let's special treat it until we store ints as such */
1351 case 0: rv
= n_0
; break;
1352 case 1: rv
= n_1
; break;
1354 snprintf(itoabuf
, sizeof itoabuf
, "%d", *ep
);
1358 n_PS_ROOT_BLOCK(n_var_okset(avcp
->avc_okey
, (uintptr_t)rv
));
1360 avcp
->avc_hash
= avmp
->avm_hash
;
1361 avcp
->avc_map
= avmp
;
1362 rv
= a_amv_var_lookup(avcp
, FAL0
) ? avcp
->avc_var
->av_value
: NULL
;
1368 a_amv_var_vsc_multiplex(struct a_amv_var_carrier
*avcp
){
1375 i
= strlen(rv
= &avcp
->avc_name
[1]);
1377 /* ERR, ERRDOC, ERRNAME, plus *-NAME variants */
1378 if(rv
[0] == 'E' && i
>= 3 && rv
[1] == 'R' && rv
[2] == 'R'){
1380 e
= n_pstate_err_no
;
1382 }else if(rv
[3] == '-'){
1383 e
= n_err_from_name(&rv
[4]);
1386 case 0: rv
= n_0
; break;
1387 case 1: rv
= n_1
; break;
1389 snprintf(itoabuf
, sizeof itoabuf
, "%d", e
);
1390 rv
= savestr(itoabuf
); /* XXX yet, cannot do numbers */
1395 if(!memcmp(&rv
[3], "DOC", 3)){
1398 case '\0': e
= n_pstate_err_no
; break;
1399 case '-': e
= n_err_from_name(&rv
[1]); break;
1402 rv
= n_err_to_doc(e
);
1404 }else if(i
>= 7 && !memcmp(&rv
[3], "NAME", 4)){
1407 case '\0': e
= n_pstate_err_no
; break;
1408 case '-': e
= n_err_from_name(&rv
[1]); break;
1411 rv
= n_err_to_name(e
);
1425 a_amv_var_vsc_pospar(struct a_amv_var_carrier
*avcp
){
1428 char const *rv
, **argv
;
1433 /* If in a macro/xy.. */
1434 if(a_amv_lopts
!= NULL
){
1436 struct a_amv_mac_call_args
*amcap
;
1438 amcap
= a_amv_lopts
->as_amcap
;
1439 argc
= amcap
->amca_pospar
.app_count
;
1440 argv
= amcap
->amca_pospar
.app_dat
;
1441 argv
+= amcap
->amca_pospar
.app_idx
;
1443 /* ..in a `call'ed macro only, to be exact. Or in a_AMV_MACKY_MACK */
1444 if(!(ismacky
= (amcap
->amca_amp
== a_AMV_MACKY_MACK
)) &&
1445 (amcap
->amca_ps_hook_mask
||
1446 (assert(amcap
->amca_amp
!= NULL
),
1447 (amcap
->amca_amp
->am_flags
& a_AMV_MF_TYPE_MASK
1448 ) == a_AMV_MF_ACCOUNT
)))
1451 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1452 if(avcp
->avc_special_prop
> 0){
1453 if(argc
>= avcp
->avc_special_prop
)
1454 rv
= argv
[avcp
->avc_special_prop
- 1];
1456 rv
= amcap
->amca_name
;
1458 rv
= (a_amv_lopts
->as_up
!= NULL
1459 ? a_amv_lopts
->as_up
->as_amcap
->amca_name
: n_empty
);
1462 /* MACKY_MACK doesn't know about [*@#] */
1463 /*else*/ if(ismacky
){
1464 if(n_poption
& n_PO_D_V
)
1465 n_err(_("Cannot use $*/$@/$# in this context: %s\n"),
1466 n_shexp_quote_cp(avcp
->avc_name
, FAL0
));
1470 argc
= a_amv_pospar
.app_count
;
1471 argv
= a_amv_pospar
.app_dat
;
1472 argv
+= a_amv_pospar
.app_idx
;
1474 if(avcp
->avc_special_cat
== a_AMV_VSC_POSPAR
){
1475 if(avcp
->avc_special_prop
> 0){
1476 if(argc
>= avcp
->avc_special_prop
)
1477 rv
= argv
[avcp
->avc_special_prop
- 1];
1484 switch(avcp
->avc_special_prop
){ /* XXX OPTIMIZE */
1485 case a_AMV_VST_STAR
:
1487 for(i
= j
= 0; i
< argc
; ++i
)
1488 j
+= strlen(argv
[i
]) + 1;
1494 rv
= cp
= n_autorec_alloc(j
);
1495 for(i
= j
= 0; i
< argc
; ++i
){
1496 j
= strlen(argv
[i
]);
1497 memcpy(cp
, argv
[i
], j
);
1504 case a_AMV_VST_NOSIGN
:{
1507 rv
= cp
= n_autorec_alloc(sizeof("65535"));
1508 snprintf(cp
, sizeof("65535"), "%hu", argc
);
1520 a_amv_var_set(struct a_amv_var_carrier
*avcp
, char const *value
,
1522 struct a_amv_var
*avp
;
1524 struct a_amv_var_map
const *avmp
;
1529 rv
= a_amv_var_clear(avcp
, force_env
);
1533 if((avmp
= avcp
->avc_map
) != NULL
){
1536 /* Validity checks */
1537 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_RDONLY
) != 0 &&
1538 !(n_pstate
& n_PS_ROOT
))){
1539 value
= N_("Variable is read-only: %s\n");
1542 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOTEMPTY
) && *value
== '\0')){
1543 value
= N_("Variable must not be empty: %s\n");
1546 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NOCNTRLS
) != 0 &&
1547 !a_amv_var_check_nocntrls(value
))){
1548 value
= N_("Variable forbids control characters: %s\n");
1551 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NUM
) &&
1552 !a_amv_var_check_num(value
, FAL0
))){
1553 value
= N_("Variable value not a number or out of range: %s\n");
1556 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_POSNUM
) &&
1557 !a_amv_var_check_num(value
, TRU1
))){
1558 value
= _("Variable value not a number, negative, "
1559 "or out of range: %s\n");
1562 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_IMPORT
) != 0 &&
1563 !(n_psonce
& n_PSO_STARTED
) && !(n_pstate
& n_PS_ROOT
))){
1564 value
= N_("Variable cannot be set in a resource file: %s\n");
1568 /* Any more complicated inter-dependency? */
1569 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1570 !a_amv_var_check_vips(a_AMV_VIP_SET_PRE
, avcp
->avc_okey
, value
))){
1571 value
= N_("Assignment of variable aborted: %s\n");
1573 n_err(V_(value
), avcp
->avc_name
);
1577 /* Transformations */
1578 if(n_UNLIKELY(avmp
->avm_flags
& a_AMV_VF_LOWER
)){
1581 oval
= savestr(value
);
1583 for(; (c
= *oval
) != '\0'; ++oval
)
1584 *oval
= lowerconv(c
);
1589 a_amv_var_lookup(avcp
, TRU1
);
1591 /* Don't care what happens later on, store this in the unroll list */
1592 if(a_amv_lopts
!= NULL
&&
1593 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1594 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1596 if((avp
= avcp
->avc_var
) == NULL
){
1597 struct a_amv_var
**avpp
;
1600 l
= strlen(avcp
->avc_name
) +1;
1601 avcp
->avc_var
= avp
= n_alloc(n_VSTRUCT_SIZEOF(struct a_amv_var
, av_name
1603 avp
->av_link
= *(avpp
= &a_amv_vars
[avcp
->avc_prime
]);
1608 memcpy(avp
->av_name
, avcp
->avc_name
, l
);
1609 avp
->av_flags
= (avmp
!= NULL
) ? avmp
->avm_flags
: 0;
1610 oval
= n_UNCONST(n_empty
);
1612 oval
= avp
->av_value
;
1615 avp
->av_value
= a_amv_var_copy(value
);
1617 /* Via `set' etc. the user may give even boolean options non-boolean
1618 * values, ignore that and force boolean */
1619 if(avp
->av_flags
& a_AMV_VF_BOOL
){
1620 if(!(n_pstate
& n_PS_ROOT
) && (n_poption
& n_PO_D_VV
) &&
1622 n_err(_("Ignoring value of boolean variable: %s: %s\n"),
1623 avcp
->avc_name
, value
);
1624 avp
->av_value
= n_UNCONST(n_1
);
1626 avp
->av_value
= a_amv_var_copy(value
);
1629 if(force_env
&& !(avp
->av_flags
& a_AMV_VF_ENV
))
1630 avp
->av_flags
|= a_AMV_VF_LINKED
;
1631 if(avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_LINKED
))
1632 rv
= a_amv_var__putenv(avcp
, avp
);
1633 if(avp
->av_flags
& a_AMV_VF_VIP
)
1634 a_amv_var_check_vips(a_AMV_VIP_SET_POST
, avcp
->avc_okey
, value
);
1635 a_amv_var_free(oval
);
1642 a_amv_var__putenv(struct a_amv_var_carrier
*avcp
, struct a_amv_var
*avp
){
1650 rv
= (setenv(avcp
->avc_name
, avp
->av_value
, 1) == 0);
1652 cp
= sstrdup(savecatsep(avcp
->avc_name
, '=', avp
->av_value
));
1654 if((rv
= (putenv(cp
) == 0))){
1657 if((ocp
= avp
->av_env
) != NULL
)
1668 a_amv_var_clear(struct a_amv_var_carrier
*avcp
, bool_t force_env
){
1669 struct a_amv_var
**avpp
, *avp
;
1670 struct a_amv_var_map
const *avmp
;
1676 if(n_LIKELY((avmp
= avcp
->avc_map
) != NULL
)){
1677 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_NODEL
) != 0 &&
1678 !(n_pstate
& n_PS_ROOT
))){
1679 n_err(_("Variable may not be unset: %s\n"), avcp
->avc_name
);
1682 if(n_UNLIKELY((avmp
->avm_flags
& a_AMV_VF_VIP
) != 0 &&
1683 !a_amv_var_check_vips(a_AMV_VIP_CLEAR
, avcp
->avc_okey
, NULL
))){
1684 n_err(_("Clearance of variable aborted: %s\n"), avcp
->avc_name
);
1691 if(n_UNLIKELY(!a_amv_var_lookup(avcp
, TRUM1
))){
1694 rv
= a_amv_var__clearenv(avcp
->avc_name
, NULL
);
1695 }else if(!(n_pstate
& (n_PS_ROOT
| n_PS_ROBOT
)) && (n_poption
& n_PO_D_V
))
1696 n_err(_("Can't unset undefined variable: %s\n"), avcp
->avc_name
);
1698 }else if(avcp
->avc_var
== (struct a_amv_var
*)-1){
1699 avcp
->avc_var
= NULL
;
1705 if(a_amv_lopts
!= NULL
&&
1706 (avmp
== NULL
|| !(avmp
->avm_flags
& a_AMV_VF_NOLOPTS
)))
1707 a_amv_lopts_add(a_amv_lopts
, avcp
->avc_name
, avcp
->avc_var
);
1709 avp
= avcp
->avc_var
;
1710 avcp
->avc_var
= NULL
;
1711 avpp
= &a_amv_vars
[avcp
->avc_prime
];
1712 assert(*avpp
== avp
); /* (always listhead after lookup()) */
1713 *avpp
= (*avpp
)->av_link
;
1721 envval
= avp
->av_env
;
1723 if((avp
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_LINKED
)) || envval
!= NULL
)
1724 rv
= a_amv_var__clearenv(avp
->av_name
, envval
);
1726 a_amv_var_free(avp
->av_value
);
1729 /* XXX Fun part, extremely simple-minded for now: if this variable has
1730 * XXX a default value, immediately reinstantiate it! TODO Heh? */
1731 if(n_UNLIKELY(avmp
!= NULL
&& (avmp
->avm_flags
& a_AMV_VF_DEFVAL
) != 0))
1732 a_amv_var_lookup(avcp
, TRU1
);
1739 a_amv_var__clearenv(char const *name
, char *value
){
1741 extern char **environ
;
1753 for(ecpp
= environ
; *ecpp
!= NULL
; ++ecpp
)
1758 while(*ecpp
++ != NULL
);
1768 a_amv_var_show_all(void){
1769 struct n_string msg
, *msgp
;
1772 struct a_amv_var
*avp
;
1773 char const **vacp
, **cap
;
1776 if((fp
= Ftmp(NULL
, "setlist", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) == NULL
){
1777 n_perr(_("Can't create temporary file for `set' listing"), 0);
1781 /* We need to instantiate first-time-inits and default values here, so that
1782 * they will be regular members of our _vars[] table */
1783 for(i
= a_AMV_VAR_I3VALS_CNT
; i
-- > 0;)
1784 n_var_oklook(a_amv_var_i3vals
[i
].avdv_okey
);
1785 for(i
= a_AMV_VAR_DEFVALS_CNT
; i
-- > 0;)
1786 n_var_oklook(a_amv_var_defvals
[i
].avdv_okey
);
1788 for(no
= i
= 0; i
< a_AMV_PRIME
; ++i
)
1789 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
1791 no
+= a_AMV_VAR_VIRTS_CNT
;
1793 vacp
= n_autorec_alloc(no
* sizeof(*vacp
));
1795 for(cap
= vacp
, i
= 0; i
< a_AMV_PRIME
; ++i
)
1796 for(avp
= a_amv_vars
[i
]; avp
!= NULL
; avp
= avp
->av_link
)
1797 *cap
++ = avp
->av_name
;
1798 for(i
= a_AMV_VAR_VIRTS_CNT
; i
-- > 0;)
1799 *cap
++ = a_amv_var_virts
[i
].avv_var
->av_name
;
1802 qsort(vacp
, no
, sizeof *vacp
, &a_amv_var__show_cmp
);
1805 msgp
= n_string_reserve(n_string_creat(msgp
), 80);
1806 for(i
= 0, cap
= vacp
; no
!= 0; ++cap
, --no
)
1807 i
+= a_amv_var_show(*cap
, fp
, msgp
);
1810 page_or_print(fp
, i
);
1817 a_amv_var__show_cmp(void const *s1
, void const *s2
){
1821 rv
= strcmp(*(char**)n_UNCONST(s1
), *(char**)n_UNCONST(s2
));
1827 a_amv_var_show(char const *name
, FILE *fp
, struct n_string
*msgp
){
1828 struct a_amv_var_carrier avc
;
1834 msgp
= n_string_trunc(msgp
, 0);
1837 a_amv_var_revlookup(&avc
, name
);
1838 isset
= a_amv_var_lookup(&avc
, FAL0
);
1840 if(n_poption
& n_PO_D_V
){
1841 if(avc
.avc_map
== NULL
){
1842 msgp
= n_string_push_cp(msgp
, "#assembled variable with value");
1849 {a_AMV_VF_VIRT
, "virtual"},
1850 {a_AMV_VF_RDONLY
, "read-only"},
1851 {a_AMV_VF_NODEL
, "nodelete"},
1852 {a_AMV_VF_NOTEMPTY
, "notempty"},
1853 {a_AMV_VF_NOCNTRLS
, "no-control-chars"},
1854 {a_AMV_VF_NUM
, "number"},
1855 {a_AMV_VF_POSNUM
, "positive-number"},
1856 {a_AMV_VF_IMPORT
, "import-environ-first\0"},
1857 {a_AMV_VF_ENV
, "sync-environ"},
1858 {a_AMV_VF_I3VAL
, "initial-value"},
1859 {a_AMV_VF_DEFVAL
, "default-value"},
1860 {a_AMV_VF_LINKED
, "`environ' link"}
1863 for(tp
= tbase
; PTRCMP(tp
, <, &tbase
[n_NELEM(tbase
)]); ++tp
)
1864 if(isset
? (avc
.avc_var
->av_flags
& tp
->flag
)
1865 : (avc
.avc_map
->avm_flags
& tp
->flag
)){
1866 msgp
= n_string_push_c(msgp
, (i
++ == 0 ? '#' : ','));
1867 msgp
= n_string_push_cp(msgp
, tp
->msg
);
1871 msgp
= n_string_push_cp(msgp
, "\n ");
1874 if(!isset
|| (avc
.avc_var
->av_flags
& a_AMV_VF_RDONLY
)){
1875 msgp
= n_string_push_c(msgp
, *n_ns
);
1877 if(avc
.avc_map
!= NULL
&& (avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
))
1878 msgp
= n_string_push_cp(msgp
, "boolean; ");
1879 msgp
= n_string_push_cp(msgp
, "variable not set: ");
1880 msgp
= n_string_push_cp(msgp
, n_shexp_quote_cp(name
, FAL0
));
1885 n_UNINIT(quote
, NULL
);
1886 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_BOOL
)){
1887 quote
= n_shexp_quote_cp(avc
.avc_var
->av_value
, TRU1
);
1888 if(strcmp(quote
, avc
.avc_var
->av_value
))
1889 msgp
= n_string_push_cp(msgp
, "wysh ");
1890 }else if(n_poption
& n_PO_D_V
)
1891 msgp
= n_string_push_cp(msgp
, "wysh ");
1892 if(avc
.avc_var
->av_flags
& a_AMV_VF_LINKED
)
1893 msgp
= n_string_push_cp(msgp
, "environ ");
1894 msgp
= n_string_push_cp(msgp
, "set ");
1895 msgp
= n_string_push_cp(msgp
, name
);
1896 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_BOOL
)){
1897 msgp
= n_string_push_c(msgp
, '=');
1898 msgp
= n_string_push_cp(msgp
, quote
);
1899 }else if(n_poption
& n_PO_D_V
)
1900 msgp
= n_string_push_cp(msgp
, " #boolean");
1903 msgp
= n_string_push_c(msgp
, '\n');
1904 fputs(n_string_cp(msgp
), fp
);
1906 return (i
> 0 ? 2 : 1);
1910 a_amv_var_c_set(char **ap
, bool_t issetenv
){
1911 char *cp
, *cp2
, *varbuf
, c
;
1917 while((cp
= *ap
++) != NULL
){
1919 cp2
= varbuf
= n_autorec_alloc(strlen(cp
) +1);
1921 for(; (c
= *cp
) != '=' && c
!= '\0'; ++cp
){
1922 if(cntrlchar(c
) || spacechar(c
)){
1923 n_err(_("Variable name with control character ignored: %s\n"),
1932 cp
= n_UNCONST(n_empty
);
1937 n_err(_("Empty variable name ignored\n"));
1940 struct a_amv_var_carrier avc
;
1943 if((isunset
= (varbuf
[0] == 'n' && varbuf
[1] == 'o')))
1944 varbuf
= &varbuf
[2];
1946 a_amv_var_revlookup(&avc
, varbuf
);
1949 errs
+= !a_amv_var_clear(&avc
, issetenv
);
1951 errs
+= !a_amv_var_set(&avc
, cp
, issetenv
);
1966 if((args
= v
)[0] == NULL
){
1967 rv
= (a_amv_mac_show(a_AMV_MF_NONE
) == FAL0
);
1971 if(args
[1] == NULL
|| args
[1][0] != '{' || args
[1][1] != '\0' ||
1973 n_err(_("Synopsis: define: <name> {\n"));
1977 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_NONE
) == FAL0
);
1984 c_undefine(void *v
){
1992 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_NONE
);
1993 while(*++args
!= NULL
);
2003 rv
= a_amv_mac_call(vp
, FAL0
);
2009 c_call_if(void *vp
){
2013 rv
= a_amv_mac_call(vp
, TRU1
);
2020 struct a_amv_mac_call_args
*amcap
;
2021 struct a_amv_mac
*amp
;
2023 int rv
, i
, oqf
, nqf
;
2028 if((args
= v
)[0] == NULL
){
2029 rv
= (a_amv_mac_show(a_AMV_MF_ACCOUNT
) == FAL0
);
2033 if(args
[1] && args
[1][0] == '{' && args
[1][1] == '\0'){
2034 if(args
[2] != NULL
){
2035 n_err(_("Synopsis: account: <name> {\n"));
2038 if(!asccasecmp(args
[0], ACCOUNT_NULL
)){
2039 n_err(_("`account': cannot use reserved name: %s\n"),
2043 rv
= (a_amv_mac_def(args
[0], a_AMV_MF_ACCOUNT
) == FAL0
);
2047 if(n_pstate
& n_PS_HOOK_MASK
){
2048 n_err(_("`account': can't change account from within a hook\n"));
2052 save_mbox_for_possible_quitstuff();
2055 if(asccasecmp(args
[0], ACCOUNT_NULL
) != 0 &&
2056 (amp
= a_amv_mac_lookup(args
[0], NULL
, a_AMV_MF_ACCOUNT
)) == NULL
){
2057 n_err(_("`account': account does not exist: %s\n"), args
[0]);
2061 oqf
= savequitflags();
2063 /* Shutdown the active account */
2064 if(a_amv_acc_curr
!= NULL
){
2068 /* Is there a cleanup hook? */
2069 var
= savecat("on-account-cleanup-", a_amv_acc_curr
->am_name
);
2070 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
||
2071 (cp
= ok_vlook(on_account_cleanup
)) != NULL
){
2072 struct a_amv_mac
*amphook
;
2074 if((amphook
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) != NULL
){
2075 amcap
= n_lofi_alloc(sizeof *amcap
);
2076 memset(amcap
, 0, sizeof *amcap
);
2077 amcap
->amca_name
= cp
;
2078 amcap
->amca_amp
= amphook
;
2079 amcap
->amca_unroller
= &a_amv_acc_curr
->am_lopts
;
2080 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2081 amcap
->amca_no_xcall
= TRU1
;
2082 n_pstate
|= n_PS_HOOK
;
2083 rv
= a_amv_mac_exec(amcap
);
2084 n_pstate
&= ~n_PS_HOOK_MASK
;
2086 n_err(_("*on-account-leave* hook %s does not exist\n"),
2087 n_shexp_quote_cp(cp
, FAL0
));
2091 if(a_amv_acc_curr
->am_lopts
!= NULL
)
2092 a_amv_lopts_unroll(&a_amv_acc_curr
->am_lopts
);
2094 /* For accounts this lingers */
2095 --a_amv_acc_curr
->am_refcnt
;
2096 if(a_amv_acc_curr
->am_flags
& a_AMV_MF_DELETE
)
2097 a_amv_mac_free(a_amv_acc_curr
);
2100 a_amv_acc_curr
= amp
;
2102 /* And switch to any non-"null" account */
2104 assert(amp
->am_lopts
== NULL
);
2105 amcap
= n_lofi_alloc(sizeof *amcap
);
2106 memset(amcap
, 0, sizeof *amcap
);
2107 amcap
->amca_name
= amp
->am_name
;
2108 amcap
->amca_amp
= amp
;
2109 amcap
->amca_unroller
= &
->am_lopts
;
2110 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2111 amcap
->amca_no_xcall
= TRU1
;
2112 ++amp
->am_refcnt
; /* We may not run 0 to avoid being deleted! */
2113 if(!a_amv_mac_exec(amcap
)){
2114 /* XXX account switch incomplete, unroll? */
2115 n_err(_("`account': failed to switch to account: %s\n"), amp
->am_name
);
2120 n_PS_ROOT_BLOCK((amp
!= NULL
? ok_vset(account
, amp
->am_name
)
2121 : ok_vclear(account
)));
2123 if(n_psonce
& n_PSO_STARTED
){
2124 assert(!(n_pstate
& n_PS_HOOK_MASK
));
2125 nqf
= savequitflags(); /* TODO obsolete (leave -> void -> new box!) */
2126 restorequitflags(oqf
);
2127 if((i
= setfile("%", 0)) < 0)
2129 temporary_folder_hook_check(FAL0
);
2130 if(i
> 0 && !ok_blook(emptystart
))
2132 n_folder_announce(n_ANNOUNCE_CHANGE
);
2133 restorequitflags(nqf
);
2142 c_unaccount(void *v
){
2150 rv
|= !a_amv_mac_undef(*args
, a_AMV_MF_ACCOUNT
);
2151 while(*++args
!= NULL
);
2157 c_localopts(void *vp
){
2158 enum a_amv_loflags alf
, alm
;
2165 if(a_amv_lopts
== NULL
){
2166 n_err(_("Cannot use `localopts' in this context "
2167 "(not in `define' or `account', nor special hook)\n"));
2171 if((argv
= vp
)[1] == NULL
|| is_asccaseprefix((++argv
)[-1], "scope"))
2172 alf
= alm
= a_AMV_LF_SCOPE
;
2173 else if(is_asccaseprefix(argv
[-1], "call"))
2174 alf
= a_AMV_LF_CALL
, alm
= a_AMV_LF_CALL_MASK
;
2175 else if(is_asccaseprefix(argv
[-1], "call-fixate"))
2176 alf
= a_AMV_LF_CALL_FIXATE
, alm
= a_AMV_LF_CALL_MASK
;
2178 n_err(_("Synopsis: localopts: [<scope|call|call-fixate>] <boolean>\n"));
2182 if(alf
== a_AMV_LF_SCOPE
&&
2183 (a_amv_lopts
->as_loflags
& a_AMV_LF_SCOPE_FIXATE
)){
2184 if(n_poption
& n_PO_D_V
)
2185 n_err(_("Cannot turn off `localopts', setting is fixated\n"));
2189 a_amv_lopts
->as_loflags
&= ~alm
;
2190 if(boolify(*argv
, UIZ_MAX
, FAL0
) > 0)
2191 a_amv_lopts
->as_loflags
|= alf
;
2200 struct a_amv_pospar
*appp
;
2207 if((vp
= *(char**)vp
) == NULL
)
2212 if((n_idec_si16_cp(&sib
, vp
, 10, NULL
2213 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2214 ) != n_IDEC_STATE_CONSUMED
|| sib
< 0){
2215 n_err(_("`shift': invalid argument: %s\n"), vp
);
2221 /* If in in a macro/xy */
2222 if(a_amv_lopts
!= NULL
){
2223 struct a_amv_mac
const *amp
;
2224 struct a_amv_mac_call_args
*amcap
;
2226 /* Explicitly do allow `vpospar' created things! */
2227 amp
= (amcap
= a_amv_lopts
->as_amcap
)->amca_amp
;
2228 if((amp
== NULL
|| amcap
->amca_ps_hook_mask
||
2229 (amp
->am_flags
& a_AMV_MF_TYPE_MASK
) == a_AMV_MF_ACCOUNT
) &&
2230 amcap
->amca_pospar
.app_not_heap
){
2231 n_err(_("Cannot use `shift' in `account's or hook macros etc.\n"));
2234 appp
= &amcap
->amca_pospar
;
2236 appp
= &a_amv_pospar
;
2238 if(i
> appp
->app_count
){
2239 n_err(_("`shift': cannot shift %hu of %hu parameters\n"),
2240 i
, appp
->app_count
);
2244 appp
->app_count
-= i
;
2253 c_return(void *vp
){ /* TODO the exit status should be m_si64! */
2257 if(a_amv_lopts
!= NULL
){
2260 n_go_input_force_eof();
2261 n_pstate_err_no
= n_ERR_NONE
;
2264 if((argv
= vp
)[0] != NULL
){
2267 if((n_idec_si32_cp(&i
, argv
[0], 10, NULL
2268 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2269 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2272 n_err(_("`return': return value argument is invalid: %s\n"),
2274 n_pstate_err_no
= n_ERR_INVAL
;
2278 if(argv
[1] != NULL
){
2279 if((n_idec_si32_cp(&i
, argv
[1], 10, NULL
2280 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2281 ) == n_IDEC_STATE_CONSUMED
&& i
>= 0)
2282 n_pstate_err_no
= i
;
2284 n_err(_("`return': error number argument is invalid: %s\n"),
2286 n_pstate_err_no
= n_ERR_INVAL
;
2292 n_err(_("Can only use `return' in a macro\n"));
2293 n_pstate_err_no
= n_ERR_OPNOTSUPP
;
2301 temporary_folder_hook_check(bool_t nmail
){ /* TODO temporary, v15: drop */
2302 struct a_amv_mac_call_args
*amcap
;
2303 struct a_amv_mac
*amp
;
2311 var
= n_autorec_alloc(len
= strlen(mailname
) + sizeof("folder-hook-") -1 +1);
2313 /* First try the fully resolved path */
2314 snprintf(var
, len
, "folder-hook-%s", mailname
);
2315 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2318 /* If we are under *folder*, try the usual +NAME syntax, too */
2319 if(displayname
[0] == '+'){
2322 for(x
= &mailname
[len
]; x
!= mailname
; --x
)
2324 snprintf(var
, len
, "folder-hook-+%s", x
);
2325 if((cp
= n_var_vlook(var
, FAL0
)) != NULL
)
2331 /* Plain *folder-hook* is our last try */
2332 if((cp
= ok_vlook(folder_hook
)) == NULL
)
2336 if((amp
= a_amv_mac_lookup(cp
, NULL
, a_AMV_MF_NONE
)) == NULL
){
2337 n_err(_("Cannot call *folder-hook* for %s: macro does not exist: %s\n"),
2338 n_shexp_quote_cp(displayname
, FAL0
), cp
);
2343 amcap
= n_lofi_alloc(sizeof *amcap
);
2344 memset(amcap
, 0, sizeof *amcap
);
2345 amcap
->amca_name
= cp
;
2346 amcap
->amca_amp
= amp
;
2347 n_pstate
&= ~n_PS_HOOK_MASK
;
2349 amcap
->amca_unroller
= NULL
;
2350 n_pstate
|= n_PS_HOOK_NEWMAIL
;
2352 amcap
->amca_unroller
= &a_amv_folder_hook_lopts
;
2353 n_pstate
|= n_PS_HOOK
;
2355 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2356 amcap
->amca_ps_hook_mask
= TRU1
;
2357 amcap
->amca_no_xcall
= TRU1
;
2358 rv
= a_amv_mac_exec(amcap
);
2359 n_pstate
&= ~n_PS_HOOK_MASK
;
2367 temporary_folder_hook_unroll(void){ /* XXX intermediate hack */
2369 if(a_amv_folder_hook_lopts
!= NULL
){
2370 void *save
= a_amv_lopts
;
2373 a_amv_lopts_unroll(&a_amv_folder_hook_lopts
);
2374 assert(a_amv_folder_hook_lopts
== NULL
);
2381 temporary_compose_mode_hook_call(char const *macname
,
2382 void (*hook_pre
)(void *), void *hook_arg
){
2383 /* TODO compose_mode_hook_call() temporary, v15: generalize; see a_GO_SPLICE
2384 * TODO comment in go.c for the right way of doing things! */
2385 static struct a_amv_lostack
*cmh_losp
;
2386 struct a_amv_mac_call_args
*amcap
;
2387 struct a_amv_mac
*amp
;
2392 if(macname
== (char*)-1){
2393 a_amv_mac__finalize(cmh_losp
);
2395 }else if(macname
!= NULL
&&
2396 (amp
= a_amv_mac_lookup(macname
, NULL
, a_AMV_MF_NONE
)) == NULL
)
2397 n_err(_("Cannot call *on-compose-**: macro does not exist: %s\n"),
2400 amcap
= n_lofi_alloc(sizeof *amcap
);
2401 memset(amcap
, 0, sizeof *amcap
);
2402 amcap
->amca_name
= (macname
!= NULL
) ? macname
2403 : "*on-compose-splice(-shell)?*";
2404 amcap
->amca_amp
= amp
;
2405 amcap
->amca_unroller
= &a_amv_compose_lopts
;
2406 amcap
->amca_hook_pre
= hook_pre
;
2407 amcap
->amca_hook_arg
= hook_arg
;
2408 amcap
->amca_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2409 amcap
->amca_ps_hook_mask
= TRU1
;
2410 amcap
->amca_no_xcall
= TRU1
;
2411 n_pstate
&= ~n_PS_HOOK_MASK
;
2412 n_pstate
|= n_PS_HOOK
;
2414 a_amv_mac_exec(amcap
);
2416 cmh_losp
= n_lofi_alloc(sizeof *cmh_losp
);
2417 memset(cmh_losp
, 0, sizeof *cmh_losp
);
2418 cmh_losp
->as_global_saved
= a_amv_lopts
;
2419 cmh_losp
->as_lopts
= *(cmh_losp
->as_amcap
= amcap
)->amca_unroller
;
2420 cmh_losp
->as_loflags
= a_AMV_LF_SCOPE_FIXATE
;
2421 a_amv_lopts
= cmh_losp
;
2428 temporary_compose_mode_hook_unroll(void){ /* XXX intermediate hack */
2430 if(a_amv_compose_lopts
!= NULL
){
2431 void *save
= a_amv_lopts
;
2434 a_amv_lopts_unroll(&a_amv_compose_lopts
);
2435 assert(a_amv_compose_lopts
== NULL
);
2442 n_var_is_user_writable(char const *name
){
2443 struct a_amv_var_carrier avc
;
2444 struct a_amv_var_map
const *avmp
;
2448 a_amv_var_revlookup(&avc
, name
);
2449 if((avmp
= avc
.avc_map
) == NULL
)
2452 rv
= ((avmp
->avm_flags
& (a_AMV_VF_BOOL
| a_AMV_VF_RDONLY
)) == 0);
2458 n_var_oklook(enum okeys okey
){
2459 struct a_amv_var_carrier avc
;
2461 struct a_amv_var_map
const *avmp
;
2464 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2465 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2466 avc
.avc_hash
= avmp
->avm_hash
;
2467 avc
.avc_okey
= okey
;
2469 if(a_amv_var_lookup(&avc
, FAL0
))
2470 rv
= avc
.avc_var
->av_value
;
2478 n_var_okset(enum okeys okey
, uintptr_t val
){
2479 struct a_amv_var_carrier avc
;
2481 struct a_amv_var_map
const *avmp
;
2484 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2485 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2486 avc
.avc_hash
= avmp
->avm_hash
;
2487 avc
.avc_okey
= okey
;
2489 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
), FAL0
);
2495 n_var_okclear(enum okeys okey
){
2496 struct a_amv_var_carrier avc
;
2498 struct a_amv_var_map
const *avmp
;
2501 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2502 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2503 avc
.avc_hash
= avmp
->avm_hash
;
2504 avc
.avc_okey
= okey
;
2506 rv
= a_amv_var_clear(&avc
, FAL0
);
2512 n_var_vlook(char const *vokey
, bool_t try_getenv
){
2513 struct a_amv_var_carrier avc
;
2517 a_amv_var_revlookup(&avc
, vokey
);
2519 switch((enum a_amv_var_special_category
)avc
.avc_special_cat
){
2520 default: /* silence CC */
2521 case a_AMV_VSC_NONE
:
2522 if(a_amv_var_lookup(&avc
, FAL0
))
2523 rv
= avc
.avc_var
->av_value
;
2524 /* Only check the environment for something that is otherwise unknown */
2525 else if(try_getenv
&& avc
.avc_map
== NULL
)
2530 case a_AMV_VSC_GLOBAL
:
2531 rv
= a_amv_var_vsc_global(&avc
);
2533 case a_AMV_VSC_MULTIPLEX
:
2534 rv
= a_amv_var_vsc_multiplex(&avc
);
2536 case a_AMV_VSC_POSPAR
:
2537 case a_AMV_VSC_POSPAR_ENV
:
2538 rv
= a_amv_var_vsc_pospar(&avc
);
2546 n_var_vexplode(void const **cookie
){
2547 struct a_amv_pospar
*appp
;
2550 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
2552 *cookie
= (appp
->app_count
> 0) ? &appp
->app_dat
[appp
->app_idx
] : NULL
;
2554 return (*cookie
!= NULL
);
2558 n_var_vset(char const *vokey
, uintptr_t val
){
2559 struct a_amv_var_carrier avc
;
2563 a_amv_var_revlookup(&avc
, vokey
);
2565 ok
= a_amv_var_set(&avc
, (val
== 0x1 ? n_empty
: (char const*)val
), FAL0
);
2571 n_var_vclear(char const *vokey
){
2572 struct a_amv_var_carrier avc
;
2576 a_amv_var_revlookup(&avc
, vokey
);
2578 ok
= a_amv_var_clear(&avc
, FAL0
);
2585 n_var_xoklook(enum okeys okey
, struct url
const *urlp
,
2586 enum okey_xlook_mode oxm
){
2587 struct a_amv_var_carrier avc
;
2588 struct str
const *us
;
2591 struct a_amv_var_map
const *avmp
;
2594 assert(oxm
& (OXM_PLAIN
| OXM_H_P
| OXM_U_H_P
));
2596 /* For simplicity: allow this case too */
2597 if(!(oxm
& (OXM_H_P
| OXM_U_H_P
))){
2602 avc
.avc_map
= avmp
= &a_amv_var_map
[okey
];
2603 avc
.avc_name
= a_amv_var_names
+ avmp
->avm_keyoff
;
2604 avc
.avc_okey
= okey
;
2606 us
= (oxm
& OXM_U_H_P
) ? &urlp
->url_u_h_p
: &urlp
->url_h_p
;
2607 nlen
= strlen(avc
.avc_name
);
2608 nbuf
= n_lofi_alloc(nlen
+ 1 + us
->l
+1);
2609 memcpy(nbuf
, avc
.avc_name
, nlen
);
2612 /* One of .url_u_h_p and .url_h_p we test in here */
2613 memcpy(nbuf
+ nlen
, us
->s
, us
->l
+1);
2614 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2615 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2616 if(a_amv_var_lookup(&avc
, FAL0
))
2621 us
= &urlp
->url_h_p
;
2622 memcpy(nbuf
+ nlen
, us
->s
, us
->l
+1);
2623 avc
.avc_name
= a_amv_var_canonify(nbuf
);
2624 avc
.avc_hash
= a_AMV_NAME2HASH(avc
.avc_name
);
2625 if(a_amv_var_lookup(&avc
, FAL0
)){
2627 rv
= avc
.avc_var
->av_value
;
2633 rv
= (oxm
& OXM_PLAIN
) ? n_var_oklook(okey
) : NULL
;
2640 #endif /* HAVE_SOCKETS */
2648 if(*(ap
= v
) == NULL
){
2649 a_amv_var_show_all();
2652 err
= !a_amv_var_c_set(ap
, FAL0
);
2663 for(err
= 0, ap
= v
; *ap
!= NULL
; ++ap
)
2664 err
|= !n_var_vclear(*ap
);
2674 if(*(ap
= v
) == NULL
)
2677 struct n_string msg
, *msgp
= &msg
;
2679 msgp
= n_string_creat(msgp
);
2680 for(; *ap
!= NULL
; ++ap
)
2681 a_amv_var_show(*ap
, n_stdout
, msgp
);
2685 return (v
== NULL
? !STOP
: !OKAY
); /* xxx 1:bad 0:good -- do some */
2690 struct a_amv_var_carrier avc
;
2694 sighandler_type sigint
;
2697 sigint
= safe_signal(SIGINT
, SIG_IGN
);
2699 for(err
= 0, argv
= v
; *argv
!= NULL
; ++argv
){
2700 memset(&avc
, 0, sizeof avc
);
2702 a_amv_var_revlookup(&avc
, *argv
);
2704 if(avc
.avc_map
!= NULL
){
2705 if(avc
.avc_map
->avm_flags
& a_AMV_VF_BOOL
){
2706 n_err(_("`varedit': cannot edit boolean variable: %s\n"),
2710 if(avc
.avc_map
->avm_flags
& a_AMV_VF_RDONLY
){
2711 n_err(_("`varedit': cannot edit read-only variable: %s\n"),
2717 a_amv_var_lookup(&avc
, FAL0
);
2719 if((of
= Ftmp(NULL
, "varedit", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) ==
2721 n_perr(_("`varedit': can't create temporary file, bailing out"), 0);
2724 }else if(avc
.avc_var
!= NULL
&& *(val
= avc
.avc_var
->av_value
) != '\0' &&
2725 sizeof *val
!= fwrite(val
, strlen(val
), sizeof *val
, of
)){
2726 n_perr(_("`varedit' failed to write old value to temporary file"), 0);
2733 nf
= run_editor(of
, (off_t
)-1, 'e', FAL0
, NULL
, NULL
, SEND_MBOX
, sigint
);
2742 if(UICMP(64, l
, >=, UIZ_MAX
-42)){
2743 n_err(_("`varedit': not enough memory to store variable: %s\n"),
2748 varres
= val
= n_autorec_alloc(l
+1);
2749 for(; l
> 0 && (c
= getc(nf
)) != EOF
; --l
)
2753 n_err(_("`varedit': I/O while reading new value of: %s\n"),
2759 if(!a_amv_var_set(&avc
, varres
, FAL0
))
2764 n_err(_("`varedit': can't start $EDITOR, bailing out\n"));
2770 safe_signal(SIGINT
, sigint
);
2777 struct a_amv_var_carrier avc
;
2783 if((islnk
= is_asccaseprefix(*(ap
= v
), "link")) ||
2784 is_asccaseprefix(*ap
, "unlink")){
2785 for(err
= 0; *++ap
!= NULL
;){
2786 a_amv_var_revlookup(&avc
, *ap
);
2788 if(a_amv_var_lookup(&avc
, FAL0
) && (islnk
||
2789 (avc
.avc_var
->av_flags
& a_AMV_VF_LINKED
))){
2791 avc
.avc_var
->av_flags
&= ~a_AMV_VF_LINKED
;
2793 }else if(avc
.avc_var
->av_flags
& (a_AMV_VF_ENV
| a_AMV_VF_LINKED
)){
2794 if(n_poption
& n_PO_D_V
)
2795 n_err(_("`environ': link: already established: %s\n"), *ap
);
2798 avc
.avc_var
->av_flags
|= a_AMV_VF_LINKED
;
2799 if(!(avc
.avc_var
->av_flags
& a_AMV_VF_ENV
))
2800 a_amv_var__putenv(&avc
, avc
.avc_var
);
2802 n_err(_("`environ': unlink: no link established: %s\n"), *ap
);
2805 char const *evp
= getenv(*ap
);
2808 err
|= !a_amv_var_set(&avc
, evp
, TRU1
);
2810 n_err(_("`environ': link: cannot link to non-existent: %s\n"),
2816 }else if(is_asccaseprefix(*ap
, "set"))
2817 err
= !a_amv_var_c_set(++ap
, TRU1
);
2818 else if(is_asccaseprefix(*ap
, "unset")){
2819 for(err
= 0; *++ap
!= NULL
;){
2820 a_amv_var_revlookup(&avc
, *ap
);
2822 if(!a_amv_var_clear(&avc
, TRU1
))
2826 n_err(_("Synopsis: environ: <link|set|unset> <variable>...\n"));
2834 c_vexpr(void *v
){ /* TODO POSIX expr(1) comp. exit status; overly complicat. */
2836 enum n_idec_state ids
;
2838 char op
, varbuf
[64 + 64 / 8 +1];
2839 char const **argv
, *varname
, *varres
, *cp
;
2842 a_SOFTOVERFLOW
= 1u<<1,
2844 a_ISDECIMAL
= 1u<<3, /* Print only decimal result */
2845 a_SATURATED
= 1u<<4,
2847 a_UNSIGNED
= 1u<<6, /* Unsigned right shift (share bit ok) */
2854 varname
= (n_pstate
& n_PS_ARGMOD_VPUT
) ? *argv
++ : NULL
;
2855 n_UNINIT(varres
, n_empty
);
2857 if((cp
= argv
[0])[0] == '\0')
2867 if(argv
[1] == NULL
|| argv
[2] != NULL
)
2870 if(*(cp
= *++argv
) == '\0')
2872 else if(((ids
= n_idec_si64_cp(&lhv
, cp
, 0, NULL
)
2873 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2874 ) != n_IDEC_STATE_CONSUMED
){
2875 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
2877 f
|= a_SOFTOVERFLOW
;
2894 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
2899 if(*(cp
= *++argv
) == '\0')
2901 else if(((ids
= n_idec_si64_cp(&lhv
, cp
, 0, NULL
)
2902 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2903 ) != n_IDEC_STATE_CONSUMED
){
2904 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
2906 f
|= a_SOFTOVERFLOW
;
2910 if(*(cp
= *++argv
) == '\0')
2912 else if(((ids
= n_idec_si64_cp(&rhv
, cp
, 0, NULL
)
2913 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
2914 ) != n_IDEC_STATE_CONSUMED
){
2915 if(!(ids
& n_IDEC_STATE_EOVERFLOW
) || !(f
& a_SATURATED
))
2917 f
|= a_SOFTOVERFLOW
;
2927 if(rhv
!= SI64_MIN
){
2932 goto jenum_plusminus
;
2938 if(SI64_MAX
- rhv
< lhv
)
2939 goto jenum_plusminus
;
2944 if(rhv
!= SI64_MIN
){
2949 goto jenum_plusminus
;
2955 if(SI64_MIN
+ rhv
> lhv
){
2957 if(!(f
& a_SATURATED
))
2958 goto jenum_overflow
;
2959 f
|= a_SOFTOVERFLOW
;
2960 lhv
= (lhv
< 0 || xop
== '-') ? SI64_MIN
: SI64_MAX
;
2965 /* Will the result be positive? */
2966 if((lhv
< 0) == (rhv
< 0)){
2971 if(rhv
!= 0 && lhv
!= 0 && SI64_MAX
/ rhv
> lhv
){
2972 if(!(f
& a_SATURATED
))
2973 goto jenum_overflow
;
2974 f
|= a_SOFTOVERFLOW
;
2980 if(lhv
!= 0 && SI64_MIN
/ lhv
< rhv
){
2981 if(!(f
& a_SATURATED
))
2982 goto jenum_overflow
;
2983 f
|= a_SOFTOVERFLOW
;
2988 if(rhv
!= 0 && lhv
!= 0 && SI64_MIN
/ rhv
< lhv
){
2989 if(!(f
& a_SATURATED
))
2990 goto jenum_overflow
;
2991 f
|= a_SOFTOVERFLOW
;
3000 if(!(f
& a_SATURATED
))
3002 f
|= a_SOFTOVERFLOW
;
3009 if(!(f
& a_SATURATED
))
3011 f
|= a_SOFTOVERFLOW
;
3029 if(rhv
> 63){ /* xxx 63? */
3030 if(!(f
& a_SATURATED
))
3031 goto jenum_overflow
;
3036 else if(f
& a_UNSIGNED
)
3037 lhv
= (ui64_t
)lhv
>> (ui8_t
)rhv
;
3047 }else if(cp
[2] == '\0' && cp
[1] == '@'){
3051 }else if(cp
[0] == '<'){
3063 }else if(cp
[0] == '>'){
3079 }else if(is_asccaseprefix(cp
, "length")){
3080 f
|= a_ISNUM
| a_ISDECIMAL
;
3081 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3084 i
= strlen(*++argv
);
3085 if(UICMP(64, i
, >, SI64_MAX
))
3086 goto jestr_overflow
;
3088 }else if(is_asccaseprefix(cp
, "hash")){
3089 f
|= a_ISNUM
| a_ISDECIMAL
;
3090 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3093 i
= n_torek_hash(*++argv
);
3095 }else if(is_asccaseprefix(cp
, "find")){
3096 f
|= a_ISNUM
| a_ISDECIMAL
;
3097 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3100 if((cp
= strstr(argv
[1], argv
[2])) == NULL
)
3102 i
= PTR2SIZE(cp
- argv
[1]);
3103 if(UICMP(64, i
, >, SI64_MAX
))
3104 goto jestr_overflow
;
3106 }else if(is_asccaseprefix(cp
, "ifind")){
3107 f
|= a_ISNUM
| a_ISDECIMAL
;
3108 if(argv
[1] == NULL
|| argv
[2] == NULL
|| argv
[3] != NULL
)
3111 if((cp
= asccasestr(argv
[1], argv
[2])) == NULL
)
3113 i
= PTR2SIZE(cp
- argv
[1]);
3114 if(UICMP(64, i
, >, SI64_MAX
))
3115 goto jestr_overflow
;
3117 }else if(is_asccaseprefix(cp
, "substring")){
3118 if(argv
[1] == NULL
|| argv
[2] == NULL
)
3120 if(argv
[3] != NULL
&& argv
[4] != NULL
)
3123 i
= strlen(varres
= *++argv
);
3125 if(*(cp
= *++argv
) == '\0')
3127 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3128 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3129 ) != n_IDEC_STATE_CONSUMED
)
3130 goto jestr_numrange
;
3132 if(UICMP(64, i
, <, -lhv
))
3133 goto jesubstring_off
;
3136 if(UICMP(64, i
, >=, lhv
)){
3141 if(n_poption
& n_PO_D_V
)
3142 n_err(_("`vexpr': substring: offset argument too large: %s\n"),
3143 n_shexp_quote_cp(argv
[-1], FAL0
));
3144 f
|= a_SOFTOVERFLOW
;
3147 if(argv
[1] != NULL
){
3148 if(*(cp
= *++argv
) == '\0')
3150 else if((n_idec_si64_cp(&lhv
, cp
, 0, NULL
3151 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3152 ) != n_IDEC_STATE_CONSUMED
)
3153 goto jestr_numrange
;
3155 if(UICMP(64, i
, <, -lhv
))
3156 goto jesubstring_len
;
3159 if(UICMP(64, i
, >=, lhv
)){
3160 if(UICMP(64, i
, !=, lhv
))
3161 varres
= savestrbuf(varres
, (size_t)lhv
);
3164 if(n_poption
& n_PO_D_V
)
3165 n_err(_("`vexpr': substring: length argument too large: %s\n"),
3166 n_shexp_quote_cp(argv
[-2], FAL0
));
3167 f
|= a_SOFTOVERFLOW
;
3170 }else if(is_asccaseprefix(cp
, "trim")) Jtrim
: {
3172 enum n_str_trim_flags stf
;
3174 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3177 if(is_asccaseprefix(cp
, "trim-front"))
3178 stf
= n_STR_TRIM_FRONT
;
3179 else if(is_asccaseprefix(cp
, "trim-end"))
3180 stf
= n_STR_TRIM_END
;
3182 stf
= n_STR_TRIM_BOTH
;
3184 trim
.l
= strlen(trim
.s
= n_UNCONST(argv
[1]));
3185 (void)n_str_trim(&trim
, stf
);
3186 varres
= savestrbuf(trim
.s
, trim
.l
);
3187 }else if(is_asccaseprefix(cp
, "trim-front"))
3189 else if(is_asccaseprefix(cp
, "trim-end"))
3191 else if(is_asccaseprefix(cp
, "random")){
3192 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3195 if((n_idec_si64_cp(&lhv
, argv
[1], 0, NULL
3196 ) & (n_IDEC_STATE_EMASK
| n_IDEC_STATE_CONSUMED
)
3197 ) != n_IDEC_STATE_CONSUMED
|| lhv
< 0 || lhv
> PATH_MAX
)
3198 goto jestr_numrange
;
3201 varres
= n_random_create_cp((size_t)lhv
, NULL
);
3202 }else if(is_asccaseprefix(cp
, "file-expand")){
3203 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3206 if((varres
= fexpand(argv
[1], FEXP_NVAR
| FEXP_NOPROTO
)) == NULL
)
3208 }else if(is_asccaseprefix(cp
, "makeprint")){
3209 struct str sin
, sout
;
3211 if(argv
[1] == NULL
|| argv
[2] != NULL
)
3214 /* XXX using strlen for `vexpr makeprint' is wrong for UTF-16 */
3215 sin
.l
= strlen(sin
.s
= n_UNCONST(argv
[1]));
3216 makeprint(&sin
, &sout
);
3217 varres
= savestrbuf(sout
.s
, sout
.l
);
3219 /* TODO `vexpr': (wide) string length, find, etc!! */
3221 }else if(is_asccaseprefix(cp
, "regex")) Jregex
:{
3222 regmatch_t rema
[1 + n_VEXPR_REGEX_MAX
];
3226 f
|= a_ISNUM
| a_ISDECIMAL
;
3227 if(argv
[1] == NULL
|| argv
[2] == NULL
||
3228 (argv
[3] != NULL
&& argv
[4] != NULL
))
3231 reflrv
= REG_EXTENDED
;
3233 reflrv
|= REG_ICASE
;
3234 if((reflrv
= regcomp(&re
, argv
[2], reflrv
))){
3235 n_err(_("`vexpr': invalid regular expression: %s: %s\n"),
3236 n_shexp_quote_cp(argv
[2], FAL0
), n_regex_err_to_doc(&re
, reflrv
));
3238 n_pstate_err_no
= n_ERR_INVAL
;
3241 reflrv
= regexec(&re
, argv
[1], n_NELEM(rema
), rema
, 0);
3243 if(reflrv
== REG_NOMATCH
)
3246 /* Search only? Else replace, which is a bit */
3247 if(argv
[3] == NULL
){
3248 if(UICMP(64, rema
[0].rm_so
, >, SI64_MAX
))
3249 goto jestr_overflow
;
3250 lhv
= (si64_t
)rema
[0].rm_so
;
3252 /* We need to setup some kind of pseudo macro environment for this */
3253 struct a_amv_lostack los
;
3254 struct a_amv_mac_call_args amca
;
3255 char const **reargv
;
3257 memset(&amca
, 0, sizeof amca
);
3258 amca
.amca_name
= savestrbuf(&argv
[1][rema
[0].rm_so
],
3259 rema
[0].rm_eo
- rema
[0].rm_so
);
3260 amca
.amca_amp
= a_AMV_MACKY_MACK
;
3261 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3263 amca
.amca_pospar
.app_count
= (ui32_t
)i
- 1;
3264 amca
.amca_pospar
.app_not_heap
= TRU1
;
3265 amca
.amca_pospar
.app_dat
=
3266 reargv
= n_autorec_alloc(sizeof(char*) * i
);
3267 for(i
= 1; i
< n_NELEM(rema
) && rema
[i
].rm_so
!= -1; ++i
)
3268 *reargv
++ = savestrbuf(&argv
[1][rema
[i
].rm_so
],
3269 rema
[i
].rm_eo
- rema
[i
].rm_so
);
3272 memset(&los
, 0, sizeof los
);
3273 hold_all_sigs(); /* TODO DISLIKE! */
3274 los
.as_global_saved
= a_amv_lopts
;
3275 los
.as_amcap
= &amca
;
3276 los
.as_up
= los
.as_global_saved
;
3281 struct n_string s_b
;
3282 enum n_shexp_state shs
;
3284 templ
.s
= n_UNCONST(argv
[3]);
3286 shs
= n_shexp_parse_token((n_SHEXP_PARSE_LOG
|
3287 n_SHEXP_PARSE_IGNORE_EMPTY
| n_SHEXP_PARSE_QUOTE_AUTO_FIXED
|
3288 n_SHEXP_PARSE_QUOTE_AUTO_DSQ
),
3289 n_string_creat_auto(&s_b
), &templ
, NULL
);
3290 if((shs
& (n_SHEXP_STATE_ERR_MASK
| n_SHEXP_STATE_STOP
)
3291 ) == n_SHEXP_STATE_STOP
){
3292 varres
= n_string_cp(&s_b
);
3293 n_string_drop_ownership(&s_b
);
3298 a_amv_lopts
= los
.as_global_saved
;
3299 rele_all_sigs(); /* TODO DISLIKE! */
3303 f
&= ~(a_ISNUM
| a_ISDECIMAL
);
3305 }else if(is_asccaseprefix(argv
[0], "iregex")){
3308 #endif /* HAVE_REGEX */
3312 n_pstate_err_no
= (f
& a_SOFTOVERFLOW
) ? n_ERR_OVERFLOW
: n_ERR_NONE
;
3315 /* Generate the variable value content for numerics.
3316 * Anticipate in our handling below! (Don't do needless work) */
3318 if((f
& a_ISNUM
) && ((f
& a_ISDECIMAL
) || varname
!= NULL
)){
3319 snprintf(varbuf
, sizeof varbuf
, "%" PRId64
, lhv
);
3323 if(varname
== NULL
){
3324 /* If there was no error and we are printing a numeric result, print some
3325 * more bases for the fun of it */
3326 if((f
& (a_ERR
| a_ISNUM
| a_ISDECIMAL
)) == a_ISNUM
){
3329 for(j
= 1, i
= 0; i
< 64; ++i
){
3330 varbuf
[63 + 64 / 8 -j
- i
] = (lhv
& ((ui64_t
)1 << i
)) ? '1' : '0';
3331 if((i
& 7) == 7 && i
!= 63){
3333 varbuf
[63 + 64 / 8 -j
- i
] = ' ';
3336 varbuf
[64 + 64 / 8 -1] = '\0';
3337 if(fprintf(n_stdout
,
3338 "%s\n0%" PRIo64
" | 0x%" PRIX64
" | %" PRId64
"\n",
3339 varbuf
, lhv
, lhv
, lhv
) < 0){
3340 n_pstate_err_no
= n_err_no
;
3343 }else if(varres
!= NULL
&& fprintf(n_stdout
, "%s\n", varres
) < 0){
3344 n_pstate_err_no
= n_err_no
;
3347 }else if(!n_var_vset(varname
, (uintptr_t)varres
)){
3348 n_pstate_err_no
= n_ERR_NOTSUP
;
3352 return (f
& a_ERR
) ? 1 : 0;
3355 f
= a_ERR
| a_ISNUM
;
3359 n_err(_("`vexpr': invalid subcommand: %s\n"),
3360 n_shexp_quote_cp(*argv
, FAL0
));
3361 n_pstate_err_no
= n_ERR_INVAL
;
3364 n_err(_("Synopsis: vexpr: <operator> <:argument:>\n"));
3365 n_pstate_err_no
= n_ERR_INVAL
;
3369 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3370 n_shexp_quote_cp(*argv
, FAL0
));
3371 n_pstate_err_no
= n_ERR_RANGE
;
3374 n_err(_("`vexpr': expression overflows datatype: %" PRId64
" %c %" PRId64
3375 "\n"), lhv
, op
, rhv
);
3376 n_pstate_err_no
= n_ERR_OVERFLOW
;
3380 n_err(_("`vexpr': numeric argument invalid or out of range: %s\n"),
3381 n_shexp_quote_cp(*argv
, FAL0
));
3382 n_pstate_err_no
= n_ERR_RANGE
;
3385 n_err(_("`vexpr': string length or offset overflows datatype\n"));
3386 n_pstate_err_no
= n_ERR_OVERFLOW
;
3389 n_pstate_err_no
= n_ERR_NODATA
;
3400 struct n_cmd_arg
*cap
;
3402 struct a_amv_pospar
*appp
;
3411 struct n_cmd_arg_ctx
*cacp
;
3414 n_pstate_err_no
= n_ERR_NONE
;
3415 n_UNINIT(varres
, n_empty
);
3417 cap
= cacp
->cac_arg
;
3419 if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "set"))
3421 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "clear"))
3423 else if(is_asccaseprefix(cap
->ca_arg
.ca_str
.s
, "quote"))
3426 n_err(_("`vpospar': invalid subcommand: %s\n"),
3427 n_shexp_quote_cp(cap
->ca_arg
.ca_str
.s
, FAL0
));
3428 n_pstate_err_no
= n_ERR_INVAL
;
3434 if((f
& (a_CLEAR
| a_QUOTE
)) && cap
->ca_next
!= NULL
){
3435 n_err(_("`vpospar': `%s': takes no argument\n"), cap
->ca_arg
.ca_str
.s
);
3436 n_pstate_err_no
= n_ERR_INVAL
;
3443 /* If in a macro, we need to overwrite the local instead of global argv */
3444 appp
= (a_amv_lopts
!= NULL
) ? &a_amv_lopts
->as_amcap
->amca_pospar
3447 if(f
& (a_SET
| a_CLEAR
)){
3448 if(cacp
->cac_vput
!= NULL
)
3449 n_err(_("`vpospar': `vput' only supported for `quote' subcommand\n"));
3450 if(!appp
->app_not_heap
&& appp
->app_maxcount
> 0){
3451 for(i
= appp
->app_maxcount
; i
-- != 0;)
3452 n_free(n_UNCONST(appp
->app_dat
[i
]));
3453 n_free(appp
->app_dat
);
3455 memset(appp
, 0, sizeof *appp
);
3458 if((i
= cacp
->cac_no
) > a_AMV_POSPAR_MAX
){
3459 n_err(_("`vpospar': overflow: %" PRIuZ
" arguments!\n"), i
);
3460 n_pstate_err_no
= n_ERR_OVERFLOW
;
3465 memset(appp
, 0, sizeof *appp
);
3467 appp
->app_maxcount
= appp
->app_count
= (ui16_t
)i
;
3468 /* XXX Optimize: store it all in one chunk! */
3470 i
*= sizeof *appp
->app_dat
;
3471 appp
->app_dat
= n_alloc(i
);
3473 for(i
= 0; cap
!= NULL
; ++i
, cap
= cap
->ca_next
){
3474 appp
->app_dat
[i
] = n_alloc(cap
->ca_arg
.ca_str
.l
+1);
3475 memcpy(n_UNCONST(appp
->app_dat
[i
]), cap
->ca_arg
.ca_str
.s
,
3476 cap
->ca_arg
.ca_str
.l
+1);
3479 appp
->app_dat
[i
] = NULL
;
3483 if(appp
->app_count
== 0)
3487 struct n_string s
, *sp
;
3490 sp
= n_string_creat_auto(&s
);
3492 sep1
= *ok_vlook(ifs
);
3493 sep2
= *ok_vlook(ifs_ws
);
3499 for(i
= 0; i
< appp
->app_count
; ++i
){
3501 if(!n_string_can_swallow(sp
, 2))
3503 sp
= n_string_push_c(sp
, sep1
);
3505 sp
= n_string_push_c(sp
, sep2
);
3507 in
.l
= strlen(in
.s
= n_UNCONST(appp
->app_dat
[i
+ appp
->app_idx
]));
3509 if(!n_string_can_swallow(sp
, in
.l
)){
3511 n_err(_("`vpospar': overflow: string too long!\n"));
3512 n_pstate_err_no
= n_ERR_OVERFLOW
;
3516 sp
= n_shexp_quote(sp
, &in
, TRU1
);
3519 varres
= n_string_cp(sp
);
3522 if(cacp
->cac_vput
== NULL
){
3523 if(fprintf(n_stdout
, "%s\n", varres
) < 0){
3524 n_pstate_err_no
= n_err_no
;
3527 }else if(!n_var_vset(cacp
->cac_vput
, (uintptr_t)varres
)){
3528 n_pstate_err_no
= n_ERR_NOTSUP
;
3534 return (f
& a_ERR
) ? 1 : 0;